3S TO 4S 10A AND 20A CC BMS for Lithium-ion Battery Packs

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10A and 20A BMS for 3S to 4S for Lithium Ferro Phosphate (9.6V-12.8V) and 3S to 4S for Lithium-ion (11.1V-14.8V).

25A Cranking BMS for 3S/4S for Lithium Ferro Phosphate (9.6V12.8V) and 3S/4S for Lithium-ion (11.1V-14.8V). Allowing for 180A
Peak Current, it is suitable for Two-Wheelers Cranking Batteries.


  • Three series of lithium battery protection boards.
  • Automatically cancel protection after protection conditions restore.
  • With the function of overcharge protection, over-discharge protection, short circuit protection, and overcurrent protection.
  • Suitable for lithium-ion battery packs of 11.1V, 12V, and 12.6V.
  • Quiescent current is less than 30µA, so power consumption is less.
  • Compact size and lightweight
  • Ensures the security of the battery pack.


  • Overcharge detection voltage range: 4.25-4.35V±0.05V
  • Over discharge detection voltage: 2.3-3.0V±0.05V
  • Charging voltage: 12.6V-13V
  • Maximum discharge current: 10A
  • Maximum working current: 5A-8A
  • Transient current: 9A-10A
  • Quiescent current: <30µA
  • Internal resistance: <100mΩ
  • Effective life: >30000h
  • Short circuit protection: yes, delayed self-recovery
  • Working temperature: -40℃ to + 50℃
  • Storage temperature: -40V tp +80℃

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