[Perfect Compatibility]:Tailor-made for your scooter! The protection board is deeply compatible with the scooter's battery pack and control system, ensuring accurate signal transmission and stable and smooth operation, eliminating compatibility risks or performance loss caused by accessories. [Safety Protection, Peace of Mind]:with multiple protections (overcharge, over-discharge, overcurrent, short circuit, and abnormal temperature), it constantly monitors battery status, effectively preventing safety hazards and safeguarding every ride. [Precise Management, Extended Lifespan]:The utilizes intelligent balancing technology to monitor and balance the voltage of each cell in real time, significantly reducing uneven battery degradation and effectively extending the lifespan of the entire battery pack, giving your scooter a longer-lasting ride. [Stable Output, Guaranteed Performance]:Ensures optimal battery operation. The provides stable and reliable current output, ensuring ample motor power, powerful climbing, and quick response, while optimizing energy consumption for an authentic riding experience. [Compatible with Specified Models]:Perfectly compatible for 4 Lite 2nd Generation electric scooter! it ensures seamless integration with the vehicle's battery compartment, interfaces, and control system, ensuring easy installation and fully compatible performance. [Accurate Data, Easy Maintenance]:Works seamlessly with the vehicle's instrument cluster/app system to provide accurate battery charge and status information (such as temperature and cycle count), allowing you to monitor battery health and perform timely maintenance. Color: As Shown Material: plastic Package Contents: 1 x 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.