PCM-S4A20B 12.8V20A LFP

Protection Circuit Module (PCM) for 4 cells (12.8V) LiFePO4 Battery Pack at 20A limited


Parameters

Protection Circuit Module Specifications  For 12.8V LiFePO4 Battery  Pack
Model:PCB-LFP-S4A20B  12.8V25A
Over-charge protection voltage 15.60 V±25 mV
Over-discharge protection voltage 2.3±0.08V
Over-current protection 100-120A
Maximal continuous Discharging current 20A
Maximal Current consumption ≤20uA
Short circuit protection Automatic Recovery
Protection  circuitry  resistance (B- TO P-) ≤30mΩ
Dimension 3.9″ x 1.0″ x 0.2″ (98 x 24 x 5mm)
Weight 12 grams (0.42″)
P+/P- P+ = Charge+ / Discharge +
P- = Charge- / Discharge –

Remarks:

  • The PCM is specially designed for LiFePo4 4S 12.8V with 20A 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 overheated, even exploded.

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