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1S PCM For 3.7V Li-ion Battery Packs
Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD | ||||||
PCM Specifications For 3.7V(1S) Li-ion Battery Packs | ||||||
Model: LWS-1S20A-075(1S) | ||||||
No. | Test item | Criterion | ||||
1 | Voltage | Charging voltage | DC4.2V CC/CV | |||
Balance voltage for single cell | ||||||
2 | Current | Balance current for single cell | ||||
Current consumption | ≤10μA | |||||
Maximal continuous charging current | 2A | |||||
Maximal continuous Discharging current | 2A | |||||
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 | 3.00±0.062V | |||||
5 | Over current protection | Over current detection voltage | 0.20±0.015V | |||
Over current detection current | 10±2A | |||||
Detection delay time | 7.2ms—11ms | |||||
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(MOSFET) | ≤50mΩ | |||
8 | Temperature | Operating Temperature Range |
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Storage Temperature Range | -40~+125℃ |