Cell Grading Machine

Number of equipment channels

The whole machine has 256chs

External dimension

Length 1684* width 1091* height 1640

Case color

Standard gray / black (customizable)

Clamp type

Flat head clamp (optional with crocodile clamp)

Clamp spring

37MM

Support battery specifications

Diameter range: 32-34MM, length range: 120-180MM

Channel control mode

Each channel can be started, stopped, suspended, continued and protected independently.

Each channel has independent constant voltage and current. Hardware control circuit

The accuracy of charging current and discharging current of each channel can be calibrated automatically by software

Working power supply

Three phase five wire AC380V土10%, 50Hz

Power factor

≥0.99

AC current distortion rate

≤2%

efficiency of the whole machine

Charge 80%, discharge 70%

Power consumption work

≤ 15.5KW

Equipment failure rate

<1%

Work environment

Temperature -10~40°C. Relative humidity 80%

Heat dissipation mode

Natural wind in, upward exhaust

Voltage measurement range

DC 0~5V

Battery voltage range

Charge DC 0~4.5V; discharge DC 4.5~2V

Constant voltage range

DC 2~4.5V

Voltage accuracy

±(0.05% reading + 0.05% full), resolution ratio 1mV

Voltage stability

≤(±1mV)

Current range

Charge DC 100mA～10A; Discharge DC 100mA～10A

Current accuracy

±(0.05% reading + 0.05% full), resolution ratio 1mV

Current stability

≤(±1mA)

Control mode

Computer control, can control the whole cabinet with scanning function

Communication mode

485s port communication (port rate 57600)/ TCP

Process settings

Up to 32 steps and 256 cycles can be set

Charging mode

Constant current; constant pressure; constant current & pressure

Charging cut-off conditions

Voltage, current, time, capacity, - △ v

Discharge mode

Permanent flow, constant power, constant resistance

Discharging cut-off conditions

Voltage, time, and capacity

Protection function

Overvoltage, undervoltage, overcurrent, undercurrent, overcapacity protection, power off protection, data breakpoint recovery

Time frame

0~3000 min / step in min

Time accuracy

≤±0.1%

Sampling inspection cycle

1s-60s optional

Battery sorting

Divide according to capacity, time, open-circuit voltage, discharge platform, etc.

Data processing

Can record voltage, current, time, capacity etc, automatically calculate constant current charging ratio, capacity loss, discharge efficiency, average voltage, median voltage, provide data curve and cycle diagram; can output text, excel, word or mdb format data file

Basic function of software

1. The software supports various connections, such as manual pause continuation, software shutdown continuation, power outage, disconnection in equipment communication, abnormal stop continuation;

2. Support bar code scanning, scanning one-dimensional code, QR code, channel jump scanning, loading scanning and other scanning methods;

3. Local test detailed data storage, can view the current test data and historical data of each channel at any time, have data and curve corresponding two ways, and support excel report in single or batch form, and can set the test end automatic data export according to the need.

4. Support capacity sorting, and grade the battery sorting;

5. Support the qualified judgment after the test, and judge the pass / ng results according to the specified cycle capacity, voltage, time and other information;

6. Support various step protection and global voltage, current, temperature abnormal protection, and abnormal alarm, support battery pack overcharge, overdischarge protection test;

7. Support channel parallel (according to equipment);

8. Support unit conversion;

9. Support database server background storage or MES docking;

10. Software offline protection;