| Protection Circuit Board Specifications For 16S 51.2V LiFePO4 Battery Pack | |||
| Model:PCM-SM31-51.2V | |||
| No. | Test item | Criterion | |
| 1 | Voltage | Charging voltage | DC: 56.8V CC/CV (3.55V/1cell) |
| Balance voltage for single cell | 3.6V±0.025V | ||
| 2 | Current | Balance current for single cell | 72mA±5mA |
| Current consumption for single cell | ≤20μA | ||
| Maximal continuous Charging current | 50A | ||
| Maximal continuous discharging current | 60A | ||
| 3 | Over charge Protection (single cell) |
Over charge detection voltage | 3.90±0.025V |
| Over charge detection delay time | 1000-2000ms | ||
| Over charge release voltage | 3.75±0.05V | ||
| 4 | Over discharge protection (single cell) |
Over discharge detection voltage | 2.1±0.05V |
| Over discharge detection delay time | 100-200mS | ||
| Over discharge release voltage | 2.5±0.1V | ||
| 5 | Over current protection | Over current detection voltage | 0.60V±0.1V |
| Over current detection current | 130-170A | ||
| Detection delay time | 5ms-20ms | ||
| Release condition | Cut load | ||
| 6 | Short protection | Detection condition | Exterior short circuit |
| Detection delay time | 200-600us | ||
| Release condition | Cut load | ||
| 7 | Resistance | Protection circuitry (B- TO P-) | ≤20mΩ |
| 8 | Temperature | Operating Temperature Range | -40 to +85℃ |
| Storage Temperature Range | -40 to +125℃ | ||
| Over Temperature Protection (discharge) | 90±5℃ | ||
| 9 | Weight | 8oz (230 grams) | |
| 10 | Dimenstion | L x W x T | 120 x 80 x 30 mm |
For other PCM/PCB, please check our PCM/PCB/BMS/CMB/UPS category
Warning
- If you want to use this protection circuit board for a battery that is less than the rated drain, you must add additional protection device to protect the battery itself. Such as: proper rated polyswitch.
- You must be professional in Lithium battery pack to buy the protection circuit board. Misusing may cause battery damage or explode.We are not responsible for any damage caused by user.
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