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Product Description

This battery charger board allows you to easily gang three 18650 battery cells together to create a rechargable 12 volt battery module. The 18650 batteries are NOT included. This is just the board. We do not sell the metal strips shown on the pack in the picture.

Please note: Playing with 18650 batteries is dangerous and can cause burns and fires. Please ensure you know what you are doing and take proper precautions.



  • Brand new

  • Size: approx.50x16x1mm

  • Maximum discharge current: 10A

  • Overcharge detection voltage: 4.25-4.35V±0.05V

  • Over-discharge detection voltage: 2.3-3.0V±0.05V

  • Maximum working current: 5A-8A

  • Transient current: 9A-10A

  • Operating temperature: -40~50℃

  • Storage temperature: -40~80℃

  • Quiescent current: <30uA

  • Internal resistance: <60mΩ

  • Service life: >30,000 hours


  • Short circuit protection.

  • Overcharge protection.

  • Over-discharge protection.

  • Overcurrent protection.

  • Can be applied to various 3.7V lithium core.

  • Compact size and lightweight.

  • Fine workmanship and durable.

  • Ensure the security of battery pack.

Suitable for:

  • 10.8V (Rated voltage of polymer battery)

  • 11.1V (18650 or 3.7V lithium battery rated voltage)

  • 12.6V (Lithium battery full charge voltage)

Package inlcuded:

  • 1pc x lithium Battery Protection Board


Product condition: New

WARNING: Cancer and Reproductive Harm -