Application: 

It is applied for formation, grading and grouping of Li traction battery. 

Features: 

1.Energy feedback：high efficent feedback, low heat, small volume,high charge/discharge precision,low heat radiation needs, good energy saving.

2. Fast speed, high precision： industrial level 32-bit embedded CPU,high precise AD/DA、ethernet communication, and make sure fast and precision of sampling,controlling, processing, communicating and  patroling.

3. Strong data analyzing and processing ability：It adopts database and binary to store data, which can make data processing faster. It can realize normal mode and datacenter mode, which is benefit for informationization and automatization.

4. Grading and battery grouping：It synthesizes grading method under many conditions (curving fitting, battery capacity, platform time, platform capacity, battery inner resistance, self-discharge rate), which efficently lifts battery consistence and cycling lifespan. 

Functions: 

1. Basic function:：seart test, recover, stop, reset program,splicing on,grading, group.

2. Charge/discharge modes：

    Charge：constant current,constant voltage, constant power

    Charge stopping condition:voltage, current,time and capacity

    Discharge: constant current,                  

    Discharge stopping condition: voltage, time,capacity

    Other: static, cycling

3. Controlling method:independent operation for each channel；48 channels as a moudle and linear combination.

4. Protection：prevent reverse connection, over voltage, under voltage, over current,under current, over capacity, over temperature,power-off protection, power-off data logging, data overflow protection

5. Program setting：support 64 steps at most, cycling is no limited, support cycling nesting, 3 layers at most.

6. Ata record：record interval：≤1S; patrol sampling：≤1S;   recording method：time difference, voltage difference, current difference and discharge plateau.

7.  Battery sorting: It synthesizes capacity sorting method under many conditions（curving fitting, battery capacity, platform time,constant current ratio, self-discharge rate、inner resistance）, specially for electrochemical principle of curving fitting, Algorithm optimization, practical research.

8. Data analysis：record voltage, current, capacity, power,time,etc. It has strong data processing function, and supply curves and comparison of many parameters. Testing data can be exported in EXCEL, TEXT, CSV.

Technical Parameters: 

Voltage measured：0~5V，resolution：1mV；

Voltage range：charge：0~4.5V， discharge：4.5~2V；

Constant voltage range：2~4.5V；voltage precision：±(0.1%RD+0.1%FS)； 

Time：sigle step：42 days at most；total time：no limit；precision: ±0.1%

Current range：charge 0.05-10A；discharge 0.05-10A；resolution：10mA；Current precision:±(0.1%RD+0.1%FS)

Working power：AC380V±10%，50HZ，power consumption≤15KW 

Working environment：temperature：0～40℃，relative humidity≤85%

Communication：100M/10M LAN                   

Size（width×depth×height）：1680×600×1720 mm