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| Categories | PCM for Li-ion/Li-Polymer Battery Packs |
|---|---|
| Brand Name: | BEST |
| Model Number: | BEST-#### |
| Certification: | ROHS |
| Place of Origin: | SHENZHEN |
| MOQ: | 1000PCS |
| Payment Terms: | TT IN ADVANCE |
| Supply Ability: | 10000PCS/DAY |
| Delivery Time: | 7 DAYS AFTER RECEIVE PAYMENT |
| Packaging Details: | EXPORT WOODEN BOX |
1.Protection Circuit Module for 74V 20S Li-ion and Li-polymer
battery pack;
2.PCM/PCB applies for 20 cells Li-ion/Li-polymer battery pack;
3.with short circuit/over current protection;
4.With cell balance function;
5.Compatible with both Li-ion and Li-Polymer cells.
6.How balancing function works? after battery pack is fully charged. PCM will detect each cell's voltage and trim higher voltage down until other cells reach the same voltage level. Therefore, it helps cells have longer service life.
| Item | Contents | Criteria | |
| 1 | Model | BEST-#### | 20S-80A working current |
| 2 | Voltage | Charging voltage | 84V |
| 3 | Current | Maximal continuous charging current | 20A |
| Maximal continuous discharging current | 80A | ||
| Current consumption | ≤20μA | ||
| 4 | Overcharge Protection | Over charge detection voltage | 4.2V~4.35V(Adjustable) |
| Over charge detection delay time | 0.5S~2S | ||
| Over charge release voltage | 4.0V~4.2V(Adjustable) | ||
| 5 | Over Discharge Protection | Over discharge detection voltage | 2.3V~3.0V(Adjustable) |
| Over discharge detection delay time | 50~200mS | ||
| Over discharge release voltage | 2.3V~3.0V(Adjustable) | ||
| 6 | Over Current Protection | Over current detection voltage | 0.1V~0.2V(Adjustable) |
| Over current detection current | Adjustable | ||
| Detection delay time | 5~20mS | ||
| Release condition | Cut load,automatically recover | ||
| 7 | Short Circuit Protection | Detection condition | Exterior shot circuit |
| Detection delay time | 200~500uS | ||
| Release condition | Cut load,automatically recover | ||
| 8 | Balance/Equilibrium | Balance voltage for single cell | 4.20V±0.025V |
| Balance current for single cell | 168±20 mA | ||
| 9 | Resistance | Inner resistance | ≤20mΩ |
| 10 | Temperature | Operating temperature range | -40~+85°C |
| Storage temperature range | -20~ +125°C | ||
| 11 | Size (L*W*T) | L120mm*W80mm*T25mm | |
|
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