Technical details of Sunkko BMS e.g. JFBMS134825

JFBMS134825=JFBMS+13s+48V+25A discharge current

Model JFBMS134825 Value Unit
Charge data Over charge protection voltage 4.25±0.05 V
Over charge protection delay 150 ms
Over charge release voltage 4.15±0.05 V
Discharge data Over discharge protection voltage 2.7±0.05 V
Over discharge protection delay 150 ms
Over discharge release voltage 3.0±0.05 V
Rated charge/discharge current 18 / 25 A
Short circuit protection Yes  
Over current protection delay 10~20 ms
Balance data Charge balance voltage 4.18±0.02 V
Charge balance current 65±5 mA
Others Working temp. -40~149

Consumption ≤40 uA
Internal resistance ≤10
Connection diagram check this blog  
Waterproof/dust proof optional  
Distance between balance wires 2.0 mm
Length of balance wires 450 mm
Physical dimension 2.1x2.1x0.3 inch
Welding Thickness of Sunkko Welders
Two types of BMSs and each wiring diagram