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12V 4S PCM protection circuit module for lifepo4 battery pack
Size:L60*W60*T8mm
12V 4S BMS/Protection Circuit Module Specifications For power tools
1.Overcharge detection and Overdischarge detection voltage(can adjust)
2.Li-ion and liefpo4 battery(can adjust)
Application:
power tools,toy,e-bike, e-bus, ups, golf car, e-scooter, e-wheelchair, portable appliance and medical equipment, etc.
No. | Test item | Criterion | ||
1 | Voltage | Charging voltage | DC:14.4V 3.6V/Cell | |
Balance voltage for single cell | 3.60±0.03V | |||
2 | Current | Balance current for single cell | 72±5mA | |
Current consumption | ≤15μA | |||
Maximal continuous charging current | 30A | |||
Maximal continuous Discharging current | 30A | |||
3 | Over charge Protection | Over charge detection voltage | 3.90±0.025V | |
Over charge detection delay time | 0.5S-1.5S | |||
Over charge release voltage | 3.80±0.05V | |||
4 | Over discharge protection | Over discharge detection voltage | 2.0±0.05V | |
Over discharge detection delay time | 50mS-150mS | |||
Over discharge release voltage | 2.3±0.1V | |||
5 | Over current protection | Over current detection voltage | 0.1±0.025V | |
Over current detection current | 80±20A | |||
Detection delay time | 5ms-15ms | |||
Release condition | cut load | |||
6 | Short protection | Detection condition | Exterior short circuit | |
Detection delay time | 200-500us | |||
Release condition | cut load | |||
7 | Resistance | Protection circuitry | ≤20mΩ | |
8 | Temperature | Operating Temperature Range | -40~+85°C | |
Storage Temperature Range | -40~+125°C |
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