| Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD |
| PCM Specifications For 14.8V(4S)Li-ion Battery Packs |
| Model:LWS-4S40A-050(4S) |
| No. | Test item | Criterion |
| 1 | Voltage | Charging voltage | DC:16.8V CC/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 | 40A |
| Maximal continuous Discharging current | 40A |
| 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 | 0.62V |
| Over current detection current | 120±20A |
| Detection delay time | 5ms—20ms |
| 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) | ≤20mΩ |
| 8 | Temperature | Operating Temperature Range | -40～+85℃ |
| Storage Temperature Range | -40～+125℃ |
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