| Shenzhen Li-ion Battery Bodyguard Technology Co.,LTD |
| PCM Specifications For 14.8V(4S) Li-ion Battery Packs |
| Model:LWS-4S8A-077(4S) |
| No. | Test item | Criterion |
| 1 | Voltage | Charging voltage | DC:16.8V CC/CV |
| Balance voltage for single cell |
|
| 2 | Current | Balance current for single cell |
|
| Current consumption | ≤50μA |
| Maximal continuous charging current | 4A |
| Maximal continuous Discharging current | 4A |
| 3 | Over charge Protection | Over charge detection voltage for single cell | 4.35V±0.025V |
| Over charge detection delay time | 0.5S—1.5S |
| Over charge release voltage for single cell | 4.15V±0.05V |
| 4 | Over discharge protection | Over discharge detection voltage for single cell | 2.40V±0.08V |
| Over discharge detection delay time | 0.5S—1.5S |
| Over discharge release voltage for single cell | 3.0±0.10V |
| 5 | Over current protection | Over current detection voltage | 200±25mv |
| Over current detection current | 10±2A |
| 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(MOSFET) | ≤50mΩ |
| 8 | Temperature | Operating Temperature Range | -40～+85℃ |
| Storage Temperature Range | -40～+125℃ |
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