18650 protection board

The 3.7V 1S Lithium Battery Protection Board is a compact protection circuit for single-cell 18650 lithium-ion and LiPo batteries. Featuring an 8205A dual MOSFET and a battery protection controller, it helps protect rechargeable cells against overcharging, over-discharging, excessive current and short circuits. Ideal for portable electronics, IoT devices, battery repair and DIY rechargeable projects.