1S 3.7V 2A 1MOS BMS Li-ion 18650 Battery Protection Board

The 1S 3.7V 2A BMS (Battery Management System) Protection Board is a compact, single-cell protection circuit designed for Li-ion 18650 batteries. It includes one high-quality MOSFET to ensure safe charging and discharging, providing protection from overcharge, over-discharge, overcurrent, and short circuits. This board is ideal for integrating basic battery safety features in DIY electronics, portable devices, or low-power battery packs.

Features:
- Supports 1-cell (1S) 3.7V Li-ion batteries
- Max discharge current: up to 2A, suitable for low-to-moderate load applications
- Integrated 1 x MOSFET for switching and protection
- Overcharge protection: Prevents voltage from exceeding safe limits
- Over-discharge protection: Disconnects load if battery drains too low
- Short circuit protection: Quickly cuts off output to prevent damage
- Compact and lightweight: Easily fits into small devices or custom battery holders
- Designed for use with 18650 cells, flashlights, small solar projects, Bluetooth speaker