PCM-S3A4 9.6V4A LFP Balance Function

Protection Circuit Module (PCM) with Balance  Function for LiFePO4 Battery Pack 3 Series Connection 9.6V 4A


Protection Circuit Module (PCM) for 9.6V LiFePO4 Battery  Pack
Model:PCM-S3A4 LFP 9.6V4A  with Balance Function       *  Balance Funciton Voltage: 3.6V
Over-charge protection voltage 3.90 V±25 mV/cell
Over-discharge protection voltage 2.00±0.080V/cell
Over-current protection 7.5±1A
Maximal continuous Discharging current 4A
Maximal Current consumption ≤50uA
Protection  circuitry  resistance (B- TO P-) ≤50mΩ
Dimension 50 mm x 21 mm x 3mm
Weight 57 grams (2 OZ)
P+/P- P+ = Charge+ / Discharge +
P- = Charge- / Discharge –


The PCM is specially designed for 9.6V LiFePO4 Battery pack with 4A discharging rate. Different than normal PCB, it provides balance function to ensure 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 LiFePO4 cells have longer service life.

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