PCM-S4A12 12.8V12A LFP

Protection Circuit Module (PCM) for 4 LiFePO4 Battery Pack  4 Series Connection 12.8Vat 12A limited

Protection Circuit Module Specifications  For 12.8V LiFePO4 Battery  Pack
Model:PCM-LFP-S4A12   12.8V12A
Over-charge protection voltage 15.60 V±25 mV
Over-discharge protection voltage 2.3±0.08V
Over-current protection 35±5A
Maximal continuous Discharging current 12A
Maximal Current consumption ≤50uA
Protection  circuitry  resistance (B- TO P-) ≤30mΩ
Dimension 90mm(3.5″) x 40mm(1.6″) x 4mm(0.2″)
Weight 57 grams (2 OZ)
P+/P- P+ = Charge+ / Discharge +
P- = Charge- / Discharge –


  • The PCM is specially designed for 4S 12.8V LiFePO4 battery 10A discharging rate.
  • In case of high constant current more than 10A,  it’s strongly recommended that additional protection components to ensure safety, 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.

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