The 1S Lithium Ion BMS Board is designed for single-cell (3.7V) lithium-ion or lithium polymer batteries, ensuring safe charging and discharging. It protects the battery against overcharge, over-discharge, and short-circuit issues, which are crucial for extending battery life and preventing damage. This compact BMS board is commonly used in DIY power banks, small electronics, robotics, LED projects, and rechargeable battery packs. Easy to integrate, it’s a must-have for students, makers, and technicians in Bangladesh who work with lithium batteries. Reliable and affordable, this module guarantees stable performance and battery safety.