Lithium Battery Capacity Testing Equipment

Number of equipment channels

32 channels

External dimension

Length 1008* width 750* height 1700 (The size is subject to the actual model)

Chassis Color

Standard gray-white /gray-black (can be customized)

Clamp type

Power battery flat head clamp

Clamp distance

81mm

Support battery specifications

Battery compatible dimensions: length 90-220mm; thickness 15-70mm; height 80-230mm; battery tab center distance 60-150mm.

Channel control mode

Each battery has an independent constant current and constant voltage source, which is stable and shock-free, and can realize start, stop, pause, continuation and protection.

Each channel has independent constant voltage and constant 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 system AC380V±10%, 50Hz

Power factor

≥0.99

AC current distortion rate

≤2%

Power Department Efficiency Index

Charge ≥80%, discharge ≥70%

Working power consumption

≤38KW

Equipment failure rate

<1%

Working environment

Temperature -10~40, relative humidity 80%

Cooling method

Natural air intake, upward exhaust

Smoke alarm

Optional

Power section protection function

1. Grid voltage over-limit protection

2. Power grid frequency over-limit protection

Channels parameters

Voltage measurement range

DC 0~5V

Battery voltage range

Charge DC 0~4.5V; discharge DC 4.5~1.5V

Constant voltage range

DC 2~4.5V

Voltage accuracy

±0.5‰RD+0.5‰FS, resolution 0.1mV

Voltage stability

≤(±1mV)

Current range

Charge DC 200mA～200A; Discharge DC 200mA～200A

Current accuracy

±0.5‰RD+0.5‰FS, resolution 1mA

Current stability

≤(±1mA)

Current rise time (90% Load)

≤50ms

Channel startup time (90% load)

≤50ms

Software function

Control mode

Computer control equipment work, whole cabinet control, support single-point start and independent step switching, with scanning system

Communication mode

RS485/TCP

Process settings

32 steps and 256 cycles can be set

Charging mode

Constant current; constant voltage; constant current & voltage

Charging cut-off conditions

Voltage, current, time, capacity, - △ v

Discharge mode

Constant current, constant power, constant resistance

Discharging cut-off conditions

Voltage, time, and capacity

Single point protection function

Charging over-voltage protection, charging under-voltage protection

Discharging over-voltage protection, discharging under-voltage protection

Charging and discharging voltage trend protection

Voltage fluctuation protection

Current fluctuation protection

Battery reverse connection protection, hardware protection mode

Power tube short-circuit protection

Channel capacity alarm protection (overtime protection)

Voltage sampling drop protection

Voltage outlier protection

Capacity outlier protection

Open voltage detection before the process starts, stop the channel whose open voltage exceeds the limit

Power-off protection, data break point recovery

Time range

0～3000 minutes/step, the time unit is min

Time accuracy

≤±1‰

Sampling inspection cycle

1S-60S optional

Cell sorting

Sort by (capacity, time, open circuit voltage, discharge platform, etc.)

Data sorting

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;