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Model: SYN-6461
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Lithium-Ion charge protection circuit comes with over-charge, over-discharge, over-current and short circuit protection. MOS transistor can control the battery charge and discharge, Built-in three-stage over-current detection circuit, for a variety of various shapes 3.7 V lithium Ion batteries.

4 series 18650 battery 16.8 V 16 V 14.8 V. above the 3A device, means that the battery Battry discharge is greater than 3c.1c Nominal battery, 2000 mAh is equal to 2a * 1 = 2A Maximum operating current.3x Nominal battery means 2ahx3 = 6a Max Operating current.

In this kit there is 4x2200mah rechargeble cell with 4S 14.8V 20A Battery Protection Circuit. So user can very easy to make it Battery with Protection Circuit.



  • 4x3.7V 2200mAh Battery
  • Low maintenance
  • Long life with full capacity for upto 1000 charge cycles
  • high-accuracy voltage detection circuit
  • terminal charger with high voltage device
  • Built-in three-stage over-current detection circuit
  • MOS transistor can control the battery charge and discharge
  • Low Standby current consumption.

Bms solder instructions::

  • B+ connected to battery positive.
  • B1 connection point between battery 1 and battery 2
  • B2 connection of the point between the battery battery2 and the battery 3
  • B3 connect the point between the battery 3 and the battery 4
  • B-connection to negative battery
  • P- + connection charging / discharging positive
  • P-connection charging / discharging minus

  • Model: SYN-6461

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This product was added to our catalog on Wednesday 30 May, 2018.


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