PCM-S2A5B 7.4V5A

Protection Circuit Module (PCM) for 7.4V Li-ion (18650/18500) Battery Packs 5A limit with balance function

Protection Circuit Board Specifications  For 7.4V Li-ion/Li-po Battery  Pack
Model:PCM-S2A5B 7.4V5A
No.                            DESCRIPTIONS    Meters
1 Voltage Charging voltage DC: 8.4V CC/CV (4.2V/1cell)
Cell-balance detection voltage 4.20±0.025V
Cell-balance release voltage 4.19±0.025V
2 Current Cell-balance current 42±3mA
Current consumption for single cell ≤20μA
Maximal continuous Charging current 5A
Maximal continuous discharging current 5A
3 Over charge Protection
(single cell)
Over charge detection voltage 4.25±0.025V
Over charge detection delay time 0.5S-2S
Over charge release voltage 4.05±0.05V
4 Over discharge protection
(single cell)
Over discharge detection voltage 2.40±0.05V
Over discharge detection delay time 50-200mS
Over discharge release voltage 3.0±0.01V
5 Over current protection Over current detection voltage 0.2V±0.015V
Over current detection current 14±2A
Detection delay time 5ms-20ms
Release condition Cut load
6 Short protection Detection condition Exterior short circuit
Detection delay time 200-800us
Release condition Cut load
7 Resistance Protection  circuitry (B- TO P-) ≤40mΩ
8 Temperature Operating Temperature Range -40 to +85℃
Storage Temperature Range -40 to +125℃
9 Weight 0.6Oz (17.0 grams)
10 Dimenstion L x W x T 32.5mm(1.28″) x 16.5mm(0.65″) x 1.85 mm(0.07″)

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