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BW-4S-S30A BMS Protection Board

155.00

BW-4S-S30A BMS Protection Board

Over charge protection, over discharge protection function, short circuit protection function, over current protection function, band balance.

Category:

BW-4S-S30A BMS Protection Board

Main function:

Over charge protection, over discharge protection function, short circuit protection function, over current protection function, band balance.

Interface definition:

Charging port of the plate and the discharge port is the same, both positive and B- connecting battery”-“, P- charging port and port on the negative electrode;B-, N-, P- pads are all over the hole, the hole diameter of the pad is 3.5mm;The battery charging detection interface with DC output in the form of needle. Do the same mouth when the N- is not wiring.

Specification:

DetailsSpecification
Continuous discharge current30(MAX)A
Instantaneous discharge current70A
Charging voltage
16.8V
Charging current30(MAX)A
Over charge detection voltage4.28±0.05V
Over charge protection delay0.1S
Over charge release voltage4.08±0.01V
Battery balance detection voltage4.2±0.025V
Battery balance release voltage4.2±0.05V
Electricity balance current60±5mA
Over discharge detection voltage2.55±0.08V
Over discharge detection delay0.1S
Over discharge release voltage3.0±0.1V
Over current detection voltage150mV
Over current detection delay9mS
Over current protection current75±5A
Over current protection release conditionDisconnect load
Short circuit protection conditionExternal load short circuit
Short circuit detection delay250uS
Short circuit protection release conditionDisconnect the load switch
Temperature protection/
Main circuit conduction internal resistance≤15mΩ
Working current
≤30uA
Sleep current (when the battery is over-discharged)≤10uA
Operating temperature
-30℃~+80℃
Size45x56mm

 

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