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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
  • 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
  • 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
  • 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
  • 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
  • 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

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

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                        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

                        Features:
                        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

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