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Li-Ploymer Protection For 51.2V LiFePO4 Battery Packs
| No. | Test item | Criterion | |
| 1 | Voltage | Charging voltage | DC:67.2V CC/CV |
| Balance voltage for single cell | 4.20 V±0.025V | ||
| 2 | Current | Balance current for single cell | 42mA±3mA |
| Low current consumption for single cell | ≤50μA | ||
| Maximal continuous discharging current | 40A | ||
| 3 | Overcharge Protection | Over charge detection voltage | 4.28±0.025V |
| Over charge detection delay time | 0.96S~1.4S | ||
| Over charge release voltage | 4.08±0.025V | ||
| 4 | Over-discharge Protection | Over discharge detection voltage | 3.0±0.05V |
| Over discharge detection delay time | 115~173mS | ||
| Over discharge release voltage | 3.0V±0.05V | ||
| 5 | Over Current Protection | Over current detection voltage | 0.62V |
| Over current detection current | 100±20A(adjustable) | ||
| Detection delay time | 7.2ms~11ms | ||
| Release condition | Automatic Recovery | ||
| 6 | Short Protection | Detection condition | Exterior short circuit |
| Detection delay time | 200-500us | ||
| Release condition | Automatic Recovery | ||
| 7 | Resistance | Protection circuitry | ≤20mΩ |
| 8 | Temperature | Operating temperature range | -40~+85°C |
| Storage temperature range | -40~+125°C | ||
| 9 | Size | L145*W59*T23(mm) | |
Li-Ploymer Protection For 51.2V LiFePO4 Battery Packs