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Audited Supplier 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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