printed circuit board,bms 7S
Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD | ||||
PCM SpecificationsFor 25.9V(7S)Li-ion Battery Packs | ||||
Model:LWS-13S15A-051(7S) | ||||
No. | Testitem | Criterion | ||
1 | Voltage | Charging voltage | DC:29.4VCC/CV | |
Balance voltage for single cell | 4.20±0.025V | |||
2 | Current | Balance current for single cell | 42±5mA | |
Current consumption | ≤20μA | |||
Maximal continuous charging current | 15A | |||
Maximal continuous Discharging current | 15A | |||
3 | Over charge Protection | Over charge detection voltage for single cell | 4.25±0.025V | |
Over charge detection delay time | 0.5S—1.5S | |||
Over charge release voltage for single cell | 4.05±0.05V | |||
4 | Over discharge protection | Over discharge detection voltage for single cell | 2.50±0.062V | |
Over discharge detection delay time | 10mS—150mS | |||
Over discharge release voltage for single cell | 2.50±0.062V | |||
5 | Over current protection | Over current detection voltage | 0.20±0.015V | |
Over current detection current | 50±10A | |||
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 | Protectioncircuitry(MOSFET) | ≤20mΩ | |
8 | Temperature | Operating Temperature Range | -40~+65℃ | |
Storage Temperature Range | -40~+125℃ |
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