2S 20A 18650 lithium battery protection board (BMS)

The 2S 20A 18650 Lithium Battery Protection Board (BMS) is a compact and reliable solution designed to protect 2-cell (2S) 18650 Li-ion battery packs from overcharge, over-discharge, and overcurrent conditions. Rated for 20A continuous current, it ensures safe operation and longevity of your battery packs in DIY and portable electronics projects.

This BMS provides balanced charging protection, preventing cell damage and maintaining uniform voltage across both 18650 cells. It is ideal for DIY power banks, electric scooters, battery packs for Arduino/ESP32 projects, portable devices, and small EV applications.

With short-circuit protection, overcurrent protection, and thermal safeguards, this 2S 20A BMS ensures the safety and efficiency of your lithium battery systems while maintaining compact size for easy integration.