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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

$34.23 0.52% Discount

You save: $0.18

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Item Number#: 1302116
Condition: New
Weight: 0.27 lbs
Availability: 56

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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 Charge Specification: Electrical parameters: (Lithium ion battery) (20 string)
Detail Specifications Tipical Unit
Discharge Continuous discharging current 90(max) A
Instantaneous discharge current 160 A
Charge Charging voltage 84 V
Charging current 90(max) A
Overcharge protect Over-charge detect 4.28±0.05 V
Protect delay 100 mS
Over-charge release 4.08±0.05 V
Balance Detect voltage 4.2±0.025 V
Release voltage 4.2±0.05 V
Balance current 60±5 mA
Over-discharge protect Over-discharge detect 2.55±0.08 V
Over-discharge detect delay 50 mS
Release voltage 2.9±0.1 V
Over-current protect Detect voltage 150 mV
Detect delay 15 mS
Current detect 200±20 A
Release condition Cut Load  
Short-circuit protect Protect condition Cut Load  
Detect delay 200 uS
Release condition Cut Load  
Temperature protect Temperature protect /
Resistance Inner ≤15
Self-consumption Working current ≤70 uA
  Sleep current (when over-discharge) ≤10 uA
Working temperature Range -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 Board More Details:

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