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20S 72V 90A BMS PCM Protection PCB for Li-ion 18650 Battery with Balance Charge

20S 72V 90A BMS PCM Protection PCB for Li-ion 18650 Battery with Balance Charge

$35.06 1.07% Discount

You save: $0.38

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Item Number#: 1302116
Condition: New
Weight: 0.27 lbs
Availability: 33

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This item can be shipped to the following countries: USA


Description:20S 72V 90A BMS PCM Protection PCB for Li-ion 18650 Battery with Balance ChargeSpecification:Electrical parameters: (Lithium ion battery) (20 string)
DischargeContinuous discharging current90(max)A
Instantaneous discharge current160A
ChargeCharging voltage84V
Charging current90(max)A
Overcharge protectOver-charge detect4.28±0.05V
Protect delay100mS
Over-charge release4.08±0.05V
BalanceDetect voltage4.2±0.025V
Release voltage4.2±0.05V
Balance current60±5mA
Over-discharge protectOver-discharge detect2.55±0.08V
Over-discharge detect delay50mS
Release voltage2.9±0.1V
Over-current protectDetect voltage150mV
Detect delay15mS
Current detect200±20A
Release conditionCut Load 
Short-circuit protectProtect conditionCut Load 
Detect delay200uS
Release conditionCut Load 
Temperature protectTemperature protect/
Self-consumptionWorking current≤70uA
 Sleep current (when over-discharge)≤10uA
Working temperatureRange-30/+80
This product is 20 string 72V 74V 84V lithium battery power protection board.With a balanced, same port 90A discharge.With heat sink, size: 120X 60X14mm.With cable, length is 300mm.
Protection board with overcharge protection, over discharge protection, over current protection, short circuit protection, temperature protection.
Attention when connecting:
When we connect BMS with cells or disassemble BMS from battery pack, the following order and regulations must be complied with to avoid damage of components of BMS and problems of not protecting of cells.
In order to achieve the best performance of BMS and to run the longest distance, all the battery must be matched well (Each battery voltage ≦0.05V, IR≦15 mΩ,capacity≦30mAh) to make sure the better consistency of the battery.
Cell must be connected in parallel first, after then connected in series
Order of connection:
Step1: Connect charging /discharging wire , battery pack negative wire
Step2: After confirm the wires are connected OK, plug the connector cable in the BMS
DO not plug Connector cable in the BMS before connect wire!!
Attention: ESD protection during work.
Package Included:1 x 20S 90A Lithium Battery Protection BoardMore Details:

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