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20A 3.7V 18650 Li-ion Battery Protection Board (BMS)
20A 3.7V 18650 Li-ion battery protection board (BMS)—overcharge, over-discharge, and overcurrent protection for single-cell Li-ion packs.
The 20A 3.7V 18650 Li-ion Battery Protection Board (BMS) is designed to safeguard single-cell 18650 Li-ion battery packs from overcharge, over-discharge, and overcurrent conditions. With a 20A continuous current rating, it ensures safe operation and extends battery lifespan for DIY and portable electronics projects.
This BMS features short-circuit protection, thermal protection, and balanced charging, maintaining stable and safe voltage levels for your battery. It is ideal for portable devices, DIY power banks, small electric vehicles, Arduino/ESP32 battery projects, and other battery-powered electronics.
Compact and easy to integrate, this 20A 3.7V BMS provides reliable protection for single-cell Li-ion systems while ensuring high efficiency and safety.

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