Protection Circuit Module (PCM) with Balance Function for 7.4V Li-Ion Battery Pack (20A limit)
|Protection Circuit Module Specifications For 7.4V Li-ion/Li-Po Battery Pack|
|Model：PCM-S2A20 7.4V20A with balance function|
|Over-charge protection voltage||4.30 ± 0.025V|
|Over-discharge protection voltage||2.40 ± 0.080V|
|Balance voltage for single cell||4.20V±0.025V|
|Maximal continuous Discharging current||20A|
|Maximal Current consumption||30uA|
|Short circuit protection||Automatic Recovery|
|Protection circuitry resistance||≤30mΩ|
|Dimension||120mm(4.72″) x 37mm(1.46″) x 4mm(0.16″)|
|Weight||23 grams (0.81OZ)|
- In case of high constant current more than 10A, it’s strongly recommended that additional protection components to protect the battery itself, for example, polyswitch, NTC, fuse,etc.
- The safety PCM is specially designed for professionals. Mis-understanding and abuse use may cause battery damaged or over-heated, even exploded.
- Please don’t use the PCM for lower capacity or low drain LiFePO4 pack. Make sure your LiFePO4 Battery pack can handle 20A drain current before buying
- To achieve balance, each cell in battery pack must has equal voltage within tolerance of 0.2V.