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6Pcs 3.7V BMS Battery Protection Board 2.5A 1S for 18650

$7.59

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Product details

  • Package Dimensions: 3.15 x 2.36 x 0.39 inches; 0.35 ounces
  • Date First Available: July 9, 2025
  • Manufacturer: The Lord of the Tools
  • ASIN: B0FH4LQWM4
  • About this item

  • Suitable for 18650 batteries, suitable for the protection of single 3.7V lithium batteries, widely used in DIY battery packs, power tools, electric vehicles and other equipment.
  • This lithium battery protection board has a 2.5A current limiting function, which can effectively prevent battery overcurrent, protect the battery safety during charging and discharging, and extend the battery life.
  • Wiring instructions: B+ connects to the positive pole of the battery, B- connects to the negative pole of the battery, P+ is the positive pole of the battery pack output input, and P- is the negative pole of the battery pack output input.
  • With 1S configuration, this protection board is specifically used for the protection of a single battery and does not support the application of multiple batteries in series. Suitable for a simple 3.7V lithium battery power supply system.
  • Provides overcharge protection, over-discharge protection and short-circuit protection to ensure that the battery will not be damaged by excessively high or low voltage during use, and can also prevent failures caused by battery short circuits.