It is a protective plate solution specially designed for the 18650 battery pack of electric scooters. The main functions are: over-discharge protection, over-current protection, short-circuit protection, temperature protection, voltage compensation, etc.(Note: without reverse charging function, with temperature protection) High-quality integrated circuits (A-grade) with industrial automotive-grade solutions. , made of high quality Mos. Name:Battery protection board Compatible with:electric scooters Colour:Green Material:PCB Package Contents: 1 * Battery protection board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.