FCC ID: WQ8-CDT100 Battery Discharge-Charge Unit

MaxiEV CDT100 BATTERY DISCHARGE-CHARGE UNIT USER MANUAL MaxiEV CDT100 user manual CONTENT 1. OVERVIEW ....................................................................................................... 1 1.1 Features .................................................................................................. 1 1.2 System Component Unit ....................................................................... 2 Impact on the Environment and Energy ............................................. 3 1.3 1.4 Device Safety ......................................................................................... 3 2. Safety Precautions ........................................................................................... 4 3. Main Technical Parameter ............................................................................... 7 Installation .......................................................................................................... 8 4. 5. Device Description............................................................................................ 8 5.1 Panel Description ................................................................................... 8 5.2 Cables Description ................................................................................ 9 5.3 24CH Terminal Definition .................................................................... 10 6. Connecting Diagram ...................................................................................... 12 6.1 DC Test Cable Connection ................................................................. 12 6.2 Cell Voltage Acquisition Connection ................................................. 12 6.3 Temp Acquisition Wire Connection ................................................... 14 6.4 AC Power Cord Connection ............................................................... 14 7. Operating Instruction ...................................................................................... 15 7.1 Settings.................................................................................................. 15 7.1.1 General Setting .......................................................................... 15 7.1.2 24CH Sampling Box Data Acquisition .................................... 17 7.1.3 Data Rentention ......................................................................... 18 7.1.4 Log Management ...................................................................... 18 7.1.5 FMW & System Update ............................................................ 18 7.2 Discharge .............................................................................................. 20 7.2.1 Parameters ................................................................................. 20 7.2.2 View Cell Data ........................................................................... 22 7.2.3 Discharge Test ........................................................................... 23 7.3 Charge ................................................................................................... 25 7.3.1 Parameters ................................................................................. 25 7.3.2 View Cell Data ........................................................................... 27 7.3.3 Charge Test ................................................................................ 28 7.4 Data........................................................................................................ 30 8. Repair & Maintenance ................................................................................... 31 9. Transportation & Storage .............................................................................. 31 10. Environmental Statement .............................................................................. 31 Appendix 1. Withstand Voltage Precautions ..................................................... 32 Appendix 2. FCC Warning ................................................................................... 33 Appendix 3. ISED Statement ............................................................................... 34 MaxiEV CDT100 user manual 1. OVERVIEW MaxiEV CDT100 Battery Discharge-Charge Unit is an all-in-one instrument for charging and discharging lithium batteries with a voltage range of 2-285V. It incorporates various testing and maintenance modes tailored to lithium batteries' charging and discharging characteristics. This unit enables discharge and charge tests for lithium batteries. The large screen interface, user-friendly operation, and intuitive UI design make it easy for users to maintain and manage battery packs scientifically, thereby extending their service life. It can be widely used in storage maintenance, aftermarket lithium battery modules/packs maintenance, and other scenarios. 1.1 Features Multi-function into one unit: collecting discharge, charging, and charge-

discharge cycle (activation) function into one, just one device can complete all test and maintenance works of the battery maintenance technician;

Built-in various maintenance modes for lithium battery: the optimal charge and discharge mode can be selected according to the type of battery to achieve the best test maintenance effect. Wide voltage design: it is suitable for testing all kinds of lithium battery modules/packs with voltage levels of 2-285V. Multiple discharge modes: supports constant current, constant power discharge mode, can simulate a variety of actual battery packs with load working conditions scenarios, and comprehensive test battery pack performance. High-efficiency charging: complete three-stage charging mode (constant current-constant voltage-floating charge) to improve charging efficiency;

1 / 35 MaxiEV CDT100 user manual Battery activation (optional): supports adding the cycle function to set charge and discharge rules and cycle times freely, effectively agitating the battery activity and improving the battery pack capacity. Cell voltage acquisition: the device collects cell voltage in real-time by CAN communication or physical sampling mode, which can quickly and accurately measure capacity during the charging and discharging test and protect the battery from damage due to over-discharge and overcharging. Multiple protections: It supports adequate protection for various abnormal conditions during the test process. The system triggers the automatic termination of the test; the LCD prompts and beep warning to assist users in proper processing. Highly intellectualization: using an intelligent operating system, large screen interaction, straightforward operation, and humanized UI design makes maintenance work more intelligent, efficient, and accurate Calibration correction: The device's voltage and current values can be calibrated and corrected at any time to ensure measurement accuracy. 1.2 System Component Unit MaxiEV CDT100 Battery Discharge-Charge Unit configured with a main unit, test cables, data acquisition cables, AC power cord, USB disk, user manual, and carrying case. Please check the actual configuration subject to the packing list. The main unit is organized by LCD touch screen, data processing unit, data acquisition unit, auxiliary power unit, discharge unit, and charging unit. 2 / 35 MaxiEV CDT100 user manual Main Unit Test Cables Data Acquisition Cables LCD Touch Screen Data Processing Unit Data Acquisition Unit Auxiliary Power Unit Discharge Unit Charging Unit MaxiEV CDT100 AC Power cords User Manual USB Disk Carrying Case 1.3 Impact on the Environment and Energy The built-in load of the device discharges the battery. The discharge test will convert the battery's chemical energy into heat energy. Please notice heat dissipation and ventilation of the test area. 1.4 Device Safety The device is equipped with multi-protection of reverse connection, over-

voltage, over-current, over-temperature, communication, etc. 3 / 35 MaxiEV CDT100 user manual 2. Safety Precautions 2.1 Operator Requirements Alarm 1) Operators are required to receive training related to the use of the equipment before operating. 2) Before operating, operators should read the user manual and the related regulations. 2.2 Operating Environment Alarm 1) Operating temperature: -5~50C 2) Relative humidity: 0~90% (402C); rainy-day outdoor use is prohibited. 3) Non-corrosive, explosive, and destructive insulation gases and conductive dust of the test environment are required. 4) Ensure ventilation of the operating environment. 2.3 Connection Precaution Alarm 1) Ensure the unit's AC input breaker and DC breaker stay off before connecting the cables. 2) Please strictly follow the instructions to connect the cables properly. Danger 1) Warning signs need to be placed in the test work area to avoid the risk of tripping over the cable. 2) Place the equipment properly to avoid danger caused by equipment 4 / 35 MaxiEV CDT100 user manual movement during the test. Danger When the equipment is running, it is necessary to ensure that the air inlet and outlet are free of obstructions. 2.4 Operating Precautions The operation of the device is by touching the screen input. Please follow the screen prompts. Close the DC breaker before executing the charge/discharge test. Danger 1) The maximum output voltage of this device is 285Vdc. Please pay attention to personal safety. 2) The working power of this device is AC input. Please make sure the operating power is reliably grounded. Danger The device in the discharge test process will emit a lot of heat. The temperature of the air outlet is high. Please do not approach or touch to avoid high-

temperature burns. Danger When the discharge test is finished, please do not shut down the device immediately if you do not continue with the charging test. Run continuously and wait for the built-in fan to dissipate the heat for at least 3 minutes before shutting down. Avoid scald caused by the operator accidentally touching the hot air outlet when transferring the device. 5 / 35 MaxiEV CDT100 user manual 2.5 Common Misoperation 1) Operating tools are not insulated. 2) Operating the device without following the user manual. 2.6 Possible Damage Caused by Misoperation 1) The operating tool is not insulated. The positive and negative poles of the battery pack are too close to cause a short circuit accident. 2) If you are not operating correctly, it will fail to start the test. 2.7 Emergency Treatments on Abnormal Conditions Disconnect the unit's operating power and test cables. 2.8 Precaution of Special Conditions Disconnect the cable in time if the operator does not make insulation measures or causes a short circuit due to improper operation. 2.9 Other Safety Warnings Strictly observe safe operating practices and correct operation methods. 6 / 35 MaxiEV CDT100 user manual 3. Main Technical Parameter Model:

MaxiEV CDT100 Applicable suitable for battery modules/packs with voltage levels of 2-285V Charge/Discharge Technical Index Voltage Range 2~285V (working voltage range: 2~250V; max range: 285V) Discharge Current 0~150A Charging Current 0~100A Discharge Power 7.2kW max Charging Power 4.4kW max (220Vac supply);

2.2kW max (110Vac supply) Discharge Mode constant current, constant power Charge Control constant current + constant voltage Protection Accuracy input overvoltage, LCD promote+beep warning battery polarity reverse connection, LCD promote+beep warning overcurrent, LCD promote+beep warning overheat, LCD promote+beep warning communication alarm, LCD promote+beep warning test current 1%FS+0.2A;

module voltage0.5%FS+0.3V; cell voltage: 0.1%FS+5mV Communication RS485, USB Internal Memory 8G Working Condition Cooling Mode forced-air cooling Temperature working: -5~50C; storage: -20~70C Humidity RH: 0~90%(402C) Rated Altitude Noise Working Power Voltage 4000m 60dB single-phase three-wire 100-264Vac, frequency: 45~65Hz input-shell: 2200Vdc 1min / input-output: 2200Vdc 1min / output-shell:

Withstand Voltage 700Vdc 1min Note: Refer to Appendix 1. for important points. Mechanical Character Dimension 530x300x350mm Weight 23.4kg 7 / 35 MaxiEV CDT100 user manual 4. Installation This device is mobile portable equipment and does not involve installation. 5. Device Description 5.1 Panel Description No. Part Name Description Carrying Handle easy to move the device Operating Screen 7-inch LCD touchscreen EXTEND Port extend port for communication port USB Port for data download and device system update TCP/IP Port reserved for functional expansion Test Cable Socket (-) connect with the charge-discharge cable (black) Test Cable Socket (+) connect with the charge-discharge cable (red) Antenna Emergency Stop Button to enhance the received signal for emergency stop the test DC Breaker DC side closing switch AC Input Power Switch device's power switch AC Input Socket 100-264Vac single-phase three-wire input socket 8 / 35 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 MaxiEV CDT100 user manual 5.2 Cables Description There are 3 types of cables for MaxiEV CDT100 tester : DC Test Cables, Data Acquisition Cables, and AC Power Supply Cables. A. DC Test Cables Discharge-Charge cables for the test; connect with the device end and battery module/pack poles. Note: Must follow the red-positive/black-negative principle. B. Data Acquisition Cables 24CH Sampling Box 1) 24CH Box Comm Wire For 24CH sampling box communication; connect with the 24CH sampling box and the extend (comm) port of the tester. 2) Cell Acquisition Harness Clips Type For cell voltage collecting; connect with cell ends follow clip marks and clip in order from B1-, B1+, B2+B12+ with the cell poles. 3) Temp Acquisition Wire For temperature data collecting; connect with the T1~T4 terminals of the 24CH sampling box and the battery. C. AC Power Cord 1) 10A (max) Power Cord Supports a maximum of 2.2kW for discharging power, and connects to the power socket. There are two power cords with different plugs for meeting:

European Standard: 220Vac single phase three-wire, 2.2kW max. American Standard: 110Vac single phase three-wire and the power will be halved. Note: Please see the real product for detailed information. 9 / 35 MaxiEV CDT100 user manual 2) 20A (max) Power Cord Supports a maximum of 4.4kW for charging power when connected to a 220Vac distribution box. When connected with the 110Vac power input, the power will be halved. Note:

Please refer to the provided image for reference. Actual product details may vary slightly. The average service life of the harness connector is about 200-300 times. Please check and replace it regularly. Please refer to the packing list with the shipment for the actual configuration. 5.3 24CH Terminal Definition 13 Pin + 12 Pin Terminal Block No. Definition Note No. Definition 00 01 02 03 04 05 06 07 08 09 10 11 12 cell 1# - negative cell 1# - positive cell 2# - positive cell 3# - positive cell 4# - positive cell 5# - positive cell 6# - positive cell 7# - positive cell 8# - positive cell 9# - positive cell 10# - positive cell 11# - positive cell 12# - positive B1-

B1+

B2+

B3+

B4+

B5+

B6+

B7+

B8+

B9+

B10+

B11+

B12+

13 14 15 16 17 18 19 20 21 22 23 24 cell 13# - positive cell 14# - positive cell 15# - positive cell 16# - positive cell 17# - positive cell 18# - positive cell 19# - positive cell 20# - positive cell 21# - positive cell 22# - positive cell 23# - positive cell 24# - positive 10 / 35 Note B13+

B14+

B15+

B16+

B17+

B18+

B19+

B20+

B21+

B22+

B23+

B24+

1 1 2 MaxiEV CDT100 user manual Note:

1) A total of 24 cells' data can be collected. Users can cascade additional sampling boxes for single string cells over 24. 2) Most manufacturers' cell numbers start with the negative end. 3) A total of 25 positions and the 00# pin is the first cell position, which is connected to the negative of the starting cell (1# cell). 8 Pin Terminal Block No. T1 T2 Note:

Definition temp point 1 temp point 2 Note 1-, 1+

2-, 2+

No. T3 T4 Definition temp point 3 temp point 4 Note 3-, 3+

4-, 4+

1) It is an optional function. Please check the configuration with the manufacturer before ordering. 2) To access the temperature monitoring or NTC analysis, you must set the thermal coefficient value. 11 / 35 2 MaxiEV CDT100 user manual 6. Connecting Diagram Please do not switch on the device before connecting!

6.1 DC Test Cable Connection Following the red-positive and black-negative principle, connect the test cables to the device's test cable sockets and the battery's positive and negative terminals. 1) Connect test cable camlock connectors with the test cable sockets on the panel following the corresponding colors. 2) Connect the other ends of test cables with two poles of the battery pack, the screws for connecting must be securely fastened. 6.2 Cell Voltage Acquisition Connection The tester will equip a 24CH Sampling Box to monitor the cell data. One box can monitor 24 cells, and users can cascade additional sampling boxes for single string cells over 24. Additionally, we offer various cell sampling harnesses to suit different battery structures and support customized tooling options to meet specific requirements. The following explains a common type of connection: Clips-type harness. The clips-type sampling harness is suitable for the unpacked battery test. Users can directly connect the cell poles with clips or other customized fixtures. The following will take clips connection of a 1P12S battery module with opened cover as an example. 12 / 35 MaxiEV CDT100 user manual Connection Cables Required:

A. DC Test Cables ( / ) B. Data Acquisition Cables 1) 24CH Box Comm Wire ( ) 2) Cell Acuisition Harness - Clips Type Connecting Order:

1) Connect the 24CH Box Comm Wire with the device's communication port and input (IN) port of the 24CH Sampling Box. 2) Follow clip markers, and join in order from B1- (black), B1+, B2+B12+

with the cell poles of the battery. (Note: please confirm the cell sequence first, then clip cells in sequence accordingly.) 13 / 35 MaxiEV CDT100 user manual 3) Connect the cell acquisition harness with the 24CH Sampling Box. 6.3 Temp Acquisition Wire Connection The 24CH Sampling Box is equipped with a temperature monitoring function. Connect one end to the T1~T4 terminal, and contact the four temperature sensors to different positions of the battery to obtain the temperature value. 6.4 AC Power Cord Connection MaxiEV CDT100 configured different power cords for realizing charging with different power. a) Connect one end of the 10A power cord to the AC Power Input of the tester, and connect the other end to the 110Vac/220Vac power socket, the max power can reach 2.2kW. (Please note that the power will be halved when connecting to 110Vac power input.) b) Connect one end of the 20A power cord to the AC Power Input of the tester, and connect the other end to the 110Vac/220Vac distribution box, the max power can reach 4.4kW. (Please note that the power will be halved when connecting to 110Vac power input.) Please ensure the max charging current is set appropriately based on the AC input load to prevent overcurrent. Note: Please connect the cables strictly according to the instructions. For connecting with all plugs and sockets, please observe the positioning grooves and holes, confirm the plug's correct direction, and check that the connecting is fastened after joining. 14 / 35 MaxiEV CDT100 user manual 7. Operating Instruction After the device connection, turn on the AC Power Switch to start up. The device will show the Welcome Page and the operating system is automatically loaded to enter the Main Menu Page, including Discharge, Charge, Data, and Settings. Welcome Page Main Menu Page 7.1 Settings Press the Settings on the Main Menu Page to set system parameters. 7.1.1 General Setting Settings Page > General Setting 1) Date & Time Press Date & Time to modify the system's date and time by scrolling numbers or pressing the item to input values directly. Press OK to save. 2) Wi-Fi Connection It is mainly used to upgrade the device OS and firmware module program online. Press Wi-Fi Connection, choose the wireless network and input the 15 / 35 MaxiEV CDT100 user manual password to connect. Press to back to the Settings Page. Settings > Date & Time 3) Language The system supports three language switching, including English, Simplified Chinese, and Traditional Chinese. After confirming the language switch, the device will restart. Settings > Language Settings > Enable Screenshots 4) Enable Screenshots The system supports the screenshots function. Press and hold the page title or the Note title for 5 seconds to capture the screen. The screenshots can be exported via the USB disk. Enable the function by checking the symbol. 16 / 35 MaxiEV CDT100 user manual 7.1.2 24CH Sampling Box Data Acquisition The device supports collecting data by a 24-channel sampling box. 1) Data Acquisition Mode Display the data collecting mode and no need to modify it. 2) K value and B value Set the KB Value and read/input according to the actual NTC KB value of the battery. 3) Module Add It is used to check and add a sampling box address. The device comes standard with one 24CH sampling box, which supports testing up to 24 cells. The box can cascade if the quantity of test cells exceeds 24. 4) Cell Sequence: Positive/Negative Choose the sequence of cell numbers that start from Positive or Negative by actual (default: Negative). 17 / 35 MaxiEV CDT100 user manual 5) Acquisition Box: Enable/Disable Enable/Disable the module sampling kit (accessory) during the test. Please check by actual. 6) Sampling Interval To set the interval for saving data, input the value, and press OK to save

(default: 10s). 7.1.3 Data Rentention The system supports continuing to record data when completing the test. Users can set the continuous recording time. 7.1.4 Log Management The options in this part are to provide the running logs to the manufacturer by local/online way for fault diagnosis. Please do not operate by yourself. 7.1.5 FMW & System Update 1) FMW Upgrade The two items are used for local or online software upgrades of the device firmware modules. 18 / 35 MaxiEV CDT100 user manual FMW Module Update: Insert a USB disk with the upgrade program into the USB Port of the tester. Name the program Unit.bin and put it in the root directory. Select the upgrade program to complete the upgrade. FMW Online Update: Users need to confirm an available upgrade file with the manufacturer and send them the Device ID. Connect a network in the Wi-Fi Connection function, and the system will automatically receive the update package. 2) System Upgrade The two items are used for local or online software upgrades of the device operating system. System Update: Insert a USB disk with the upgrade program into the USB Port of the tester. Name the program update.apk, put it in the root directory, and select the upgrade program to complete the upgrade. Sys Online Update: Users need to confirm an available upgrade file with the manufacturer and send them the Device ID. Connect a network in the Wi-Fi Connection function, and the system will automatically check the current version and receive the upgrade package. 3) Device ID It's for device identification management. 19 / 35 MaxiEV CDT100 user manual 7.2 Discharge The Discharge function is a single discharge test mode. Press the Discharge icon on the Main Menu Page, and the system will first enter the Parameters Setting Page. Discharge > Parameters Setting Page 7.2.1 Parameters The Parameters Setting Page will display the parameters of the last test. Users can create, read and save the test parameters on this page. Parameters Description Battery Name:

Name the battery for the tested battery recognition. Rated Capacity:

The nominal capacity of the battery. Battery Type:

The type of tested battery, LiFePO4, Li(NiCoMn)O2, LiTiO, and LiMnO2 selectable. Cell Qty:

Cells quantity in the battery. Voltage Delta:

To set the highest and lowest voltage difference threshold between the cells during discharging. Discharge Current:

Set the discharge current value. Discharge Time:

Set the discharge test time. Module Lower Limit:

The lower limit voltage of the battery. Discharge Capacity:

Set the discharge capacity of the battery. Cell Lower Limit:

Set the lower limit voltage of cells. End Current:

When the voltage reaches the Module Lower Limit & the current reduces lower than the End Stop Threshold

20 / 35 MaxiEV CDT100 user manual Current will trigger the stop. Note:

Stop Threshold: The tester will automatically stop the test when one of the test conditions reaches the presetting value. For Discharge Capacity, Cell Lower Limit, and End current, please choose whether to use them as the stop threshold by turning the switch on or off. 1) Parameters Setting Users must fill in all parameters to create a new parameter set for the first use and press Save to save the settings. Then the system will automatically enter the Discharge Test Page. It supports modifying the parameters during the test process, and the final test parameters will be displayed on the Parameters Page directly when entering the discharge test next time. 2) Write-in Preset Parameters The system provides a parameter preset function. Users can write common test parameters into the Preset Parameter List and then select and read from the list before testing. Preset Parameters List > WRITE 01. After filling in a set of parameters, press WRITE. 02. Select Create on the pop-up box to set the parameter name, and the parameters will be saved in the Preset Parameters List. (Note: For the first use, the system will prompt to enter the parameter name directly, and no 21 / 35 MaxiEV CDT100 user manual need to press Create to set.) 03. Users can cover the preset record by pressing the file name and delete the preset parameter by pressing

. 3) Read Preset Parameters Press the READ button. Select the preset parameters that have been saved in the pop-up box to read. Discharge > Read 7.2.2 View Cell Data After creating or reading the test parameters, press SAVE to enter the Discharge Test Page. Before testing, you can press MODIFY to double-check or modify test parameters. Discharge Test Page > Cell Info The last step before starting discharge is to confirm the cable connection and 22 / 35 MaxiEV CDT100 user manual cell data reading status. Users can check by viewing Cell Info to ensure that the system collects the data of the Module Voltage, Max Cell Volt, Min Cell Volt, and voltage of each cell. The test page offers multiple ways to view real-time data. Users can switch between Cell Info, Cell Voltage, and Module Voltage anytime during the test to view detailed data. 7.2.3 Discharge Test 1) Startup Close the DC breaker, press START, and observe the discharge current rising and stable at the setting value. It means the discharge test is running normally. Discharge > Cell Voltage Discharge > Module Voltage 2) Modify Parameter Tt supports modification of test parameters during the test (ensuring that the stop thresholds are not triggered). Press MODIFY to change the test parameters, and press SAVE. The system will execute the new parameters to continue the test. 3) Pause/ Stop Users can press PAUSE/CONTINUE to control the test at any time. In addition, there are three methods to stop the test during the process:

23 / 35 MaxiEV CDT100 user manual Press the STOP icon on the screen;

Press the emergency button on the device panel;

Turn off the DC breaker directly. Note: When the discharge test is complete, turn off the device, disconnect the power cord, and remove the test cable. (Note: disconnect the test cable from the battery end first.) 24 / 35 MaxiEV CDT100 user manual 7.3 Charge It is a single charge test mode. Press the Charge icon on the Main Menu Page. Users must select the input (charging power) before entering the Parameters Setting Page. Charge > Parameters Setting Page 7.3.1 Parameters The Parameters Setting Page will display the parameters of the last test. Users can create, read and save the test parameters on this page. Parameter Description Stop Threshold Battery Name:

Name the battery for the tested battery recognition. Rated Capacity:

The nominal capacity of the battery. Battery Type:

The type of tested battery, LiFePO4, Li(NiCoMn)O2, LiTiO, and LiMnO2 selectable. Cell Qty:

Cells quantity in the battery. Voltage Delta:

Set the highest and lowest voltage difference threshold between the cells during charging. The target voltage of charging. The device starts Target Voltage:

to reduce the current at constant voltage when it Overvoltage Protection: The upper limit voltage of the battery. reaches this value. Charge Current:

Set the max charging current according to the test requirements. When the voltage reaches the Target Voltage &

End Current:

the current reduces lower than the End Current Charge Time:

Set the test time. will trigger the stop. 25 / 35

MaxiEV CDT100 user manual Charge Capacity:

Set the charging capacity of the battery. Cell Upper Limit:

Set the upper limit voltage of cells. Note:

Stop Threshold: The tester will automatically stop the test when one of the test conditions reaches the presetting value. For Charge Capacity and Cell Upper Limit, please choose whether to use them as the stop threshold by turning the switch on or off. 1) Parameters Setting Users must fill in all parameters to create a new parameter set for the first use and press Save to save the settings. Then the system will automatically enter the Charge Test Page. It supports modifying the parameters during the test process, and the final test parameters will be displayed directly when entering the charge test next time. 2) Write-in Preset Parameters The system provides a parameter preset function. Users can write common test parameters into the Preset Param List and then select and read from the list before testing. Preset Parameters List > WRITE 01. After filling in a set of parameters, press WRITE. 02. Select Create on the pop-up box to set the parameter name, and the parameters will be saved in the Preset Parameters List. (Note: For the first use, the system will prompt you to enter the parameter name directly, and 26 / 35 MaxiEV CDT100 user manual no need to press Create to set.) 03. Users can cover the preset record by pressing the file name and delete the preset parameter by pressing

. 3) Read Preset Parameters Press the READ button. Select the preset parameters that have been saved in the pop-up box to read. Charge > Read 7.3.2 View Cell Data After creating or reading the test parameters, press SAVE to enter the Charge Test Page. Before testing, you can press MODIFY to double-check or modify test parameters. Charge Test Page > Test Info 27 / 35 MaxiEV CDT100 user manual The last step before starting charge is to confirm the cable connection and cell data reading status. Users can check by viewing Cell Info to ensure that the system collects the data of the Module Voltage, Max Cell Volt, Min Cell Volt, and voltage of each cell. The test page offers multiple ways to view real-time data. Users can switch between Cell Info, Cell Voltage, and Module Voltage anytime during the test to view detailed data. 7.3.3 Charge Test 1) Startup Close the DC breaker, press START, and observe the charging current rising and stable at the setting value. It means the charging test is running normally. Charge > Cell Voltage Charge > Module Voltage 2) Modify Parameter The device supports modification of test parameters during the test (ensuring that the stop thresholds are not triggered). Press MODIFY to change the test parameters, and press SAVE. The system will execute the new parameters to continue the test. 3) Pause/ Stop Users can press PAUSE/CONTINUE to control the test at any time. In addition, there are three methods to stop the test during the process:

28 / 35 MaxiEV CDT100 user manual Press the STOP icon on the screen;

Press the emergency button on the device panel;

Turn off the DC breaker directly. Note: When the charge test is complete, turn off the device, disconnect the power cord, and remove the test cable. (Note: disconnect the test cable from the battery end first.) 29 / 35 MaxiEV CDT100 user manual 7.4 Data The system supports automatic data saving during all testing processes. Press Data on The Main Menu Page to enter the Data Page, and users can check, delete, and download data on the page after testing. On the left side of the page is a list of all data. Press the data name and the corresponding data information will be displayed on the right side of the page. Data Page There are three functions that users can operate on the page:

1) EXPORT IMAGE It is used for exporting screenshots. Insert the USB disk into the USB port of the tester, press the EXPORT IMAGE, and select USB to export. 2) DELETE Check or Select all saved data, and press DELETE to complete the deletion. 3) EXPORT Check or Select all saved data, and press EXPORT to download the corresponding data to the USB disk. 30 / 35 MaxiEV CDT100 user manual 8. Repair & Maintenance 1) The warranty period of the main tester is one year from the date of receipt, and the warranty does not cover artificial damage. 2) The manufacturer provides free repair during the defects liability period and technical consulting services for a lifetime. If you have any technical problems or advice, please get in touch with us. 3) When the voltage and current accuracy of the equipment are over the range of technical specifications, please contact the manufacturer for accuracy calibration. 4) When the equipment is stored for a long time, there may be dust and other dirt on the mesh cover of the heat outlet, which needs to be cleaned regularly. If you find that the fan does not work when you start the equipment after a prolonged storage period. Please stop the unit, remove the net cooling cover, dust the fan, and brush the lubricant. 9. Transportation & Storage 1) The tester is equipped with a particular carry case and transported in a carton, which is shock-resistant and reliable. 2) Storage conditions: placed in a dry equipment storage room, temperature:

-20~70C, humidity: <90%. 10. Environmental Statement 1) The tester uses a transport carton which is a recyclable material. 2) The main machine and other components are non-polluting sources. 31 / 35 MaxiEV CDT100 user manual Appendix 1. Withstand Voltage Precautions Alarm According to the Chinese National Standard GB/T 24344-2009 "Specifications of Withstand Voltage Test for Industrial Machinery and Electrical Equipment, prior to conducting the withstand voltage test, the external power supply circuit of the entire electrical equipment should be disconnected. Additionally, the connection between the tested circuit and the protective grounding circuit should be severed. For this tester, the equipment needs to disconnect the external power supply circuit and remove the surge protection discharge tube on the power module inside the equipment. This involves removing the screw located at the indicated position in the following picture. 32 / 35 MaxiEV CDT100 user manual Appendix 2. FCC Warning This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

-- Reorient or relocate the receiving antenna.

-- Increase the separation between the equipment and receiver.

-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-- Consult the dealer or an experienced radio/TV technician for help. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. 33 / 35 MaxiEV CDT100 user manual Appendix 3. ISED Statement English:This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas licence-exempt RSS(s). Operation is subject to the following two conditions:

(1) This device may not cause interference.

(2) This device must accept any interference, including interference that may cause undesired operation of the device. The digital apparatus complies with Canadian CAN ICES3 (B)/NMB3(B). French: Cet appareil contient des metteurs/rcepteurs exempts de licence qui sont conformes aux RSS exempts de licence d'Innovation, Sciences et Dveloppement conomique Canada. L'exploitation est soumise aux deux conditions suivantes :

(1) Cet appareil ne doit pas provoquer d'interfrences.

(2) Cet appareil doit accepter toute interfrence, y compris les interfrences susceptibles de provoquer un fonctionnement indsirable de l'appareil. l'appareil numrique du ciem conforme canadien peut 3 (b) / nmb 3 (b). This device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS 102 RF exposure, users can obtain Canadian information on RF exposure and compliance. cet appareil est conforme l'exemption des limites d'valuation courante dans la section 2.5 du cnr - 102 et conformit avec rss 102 de l'exposition aux rf, les utilisateurs peuvent obtenir des donnes canadiennes sur l'exposition aux champs rf et la conformit. This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. Cet quipement est conforme aux limites d'exposition aux rayonnements du Canada tablies pour un environnement non contrl. This equipment should be installed and operated with minimum distance 20cm 34 / 35 MaxiEV CDT100 user manual between the radiator & your body. Cet quipement doit tre install et utilis une distance minimale de 20 cm entre le radiateur et votre corps. 35 / 35

Page 1 of 1 FCC ID: WQ8-CDT100 LABEL AND LOCATION Battery Discharge-Charge Unit Model: MaxiEV CDT100 FCC ID: WQ8-CDT100

(Size: L3.0cm x 2.0cm) Material: tagboard Gule: adhesive sticker Font color: black Label color: white & silver polyester Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: webmaster@lcs-cert.com | Web: www.lcs-cert.com Scan code to check authenticity

Autel Intelligent Technology Corp., Ltd. Floor 2, Caihong Keji Building, 36 Hi-tech North Six Road, Songpingshan Community, Xili, Nanshan, Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern:

2024-2-22 We, Autel Intelligent Technology Corp., Ltd., hereby certify that the equipment for which authorization is sought (FCC ID: WQ8-CDT100) is not covered equipment prohibited from receiving an equipment authorization pursuant to 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing covered equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.911(b) and (d)(5) and (6). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Sincerely, Signature Frank Li President Autel Intelligent Technology Corp., Ltd. 3 0 V

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CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2024-2-22>

Pursuant to Paragraphs 0.457 and 0.459 of the Commissions Rules (47 C.F.R.) and Section 552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products:

FCC ID WQ8-CDT100 Model name MaxiEV CDT100 For the product stated above, we request that the following information be held confidential;

Exhibits Long-Term Short-Term Short-Term Confidentiality Confidentiality Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos Users Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title Company:

Address:

Phone:

Fax:

E-Mail:

Frank Li/President Autel Intelligent Technology Corp., Ltd. Floor 2, Caihong Keji Building, 36 Hi-tech North Six Road, Songpingshan Community, Xili, Nanshan, Shenzhen, China

(86)755-86147779

(86)755-86147758 sales@autel.com

Floor 2, Caihong Keji Building, 36 Hi-tech North Six Road, Songpingshan Community, Autel Intelligent Technology Corp., Ltd. Xili, Nanshan, Shenzhen, China Date: 2024-2-22 FCC ID: WQ8-CDT100 Model Number: MaxiEV CDT100 To:

Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD To Whom It May Concern, We, Autel Intelligent Technology Corp., Ltd., declare that this EUT (FCC ID:

WQ8-CDT100) doesnt have Ad Hoc mode function on non-US/Canada frequencies. In addition. The frequency selection feature is disabled by firmware for devices marked to the US/Canada. For DTS part of this device, only channels 1-11 will be used in North America, Country code selection is disabled. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, Name/Title Company:

Address:

Phone:

Fax:

E-Mail:

Frank Li/President Autel Intelligent Technology Corp., Ltd. Floor 2, Caihong Keji Building, 36 Hi-tech North Six Road, Songpingshan Community, Xili, Nanshan, Shenzhen, China

(86)755-86147779

(86)755-86147758 sales@autel.com

Floor 2, Caihong Keji Building, 36 Hi-tech North Six Road, Songpingshan Community, Xili, Nanshan, Autel Intelligent Technology Corp., Ltd. Shenzhen, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern:

2024-2-22 We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: WQ8-CDT100 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins current valid General Terms and Conditions

(AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title Company:

Address:

Phone:

Fax:

E-Mail:

Frank Li/President Autel Intelligent Technology Corp., Ltd. Floor 2, Caihong Keji Building, 36 Hi-tech North Six Road, Songpingshan Community, Xili, Nanshan, Shenzhen, China

(86)755-86147779

(86)755-86147758 sales@autel.com

Autel Intelligent Technology Corp., Ltd. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 U.S. Agent Designation 2/20/2024 Autel Intelligent Technology Corp., Ltd. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: WQ8-CDT100):

Name and company of U.S. agent:

Physical U.S. address of agent:

FRN of U.S. agent:

Email address of U.S. agent:

FCC US Agent, LLC 3722 Illinois Avenue, Saint Charles, IL, 60174, USA 0033402884 Support@FCCUSAgent.com FCC US Agent, LLC acknowledges their obligation to accept service of process on behalf of Autel Intelligent Technology Corp., Ltd.. Autel Intelligent Technology Corp., Ltd. with the FRN 0018132787 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature Frank Li President Autel Intelligent Technology Corp., Ltd. Signature Tim Payne Manager FCC US Agent, LLC 5 0 V

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