48V 17.5Ah Rear Rack E-Bike Battery 840Wh with USB Port | Compatible with Bafang Mid Drive & Hub Motor Kits (0-1200W)

Advanced Battery Management System
This e-bike battery features an integrated Smart Battery Management System (BMS) that intelligently regulates power consumption to maximize battery lifespan. Acting as a vigilant safeguard, the BMS provides comprehensive protection against short circuits, overcurrent, overcharging, and deep discharge, ensuring both optimal performance and inherent safety.

Secure Lock & LED Power Indicator
Designed for convenient use, the battery can be easily removed for charging at home or on the go. It includes a robust key lock to securely attach the battery to your bike frame, helping prevent theft. An integrated LED power indicator clearly displays remaining charge, reminding you to recharge in time and avoiding unexpected power loss during rides.

Reliable Performance & Long Service Life
Every lithium-ion cell undergoes strict quality control, including both visual inspection and functional testing, before shipment. Engineered for durability, these e-bike batteries support over 1000 charge cycles, delivering consistent performance ride after ride.

Complete with Practical Accessories
The battery pack includes a USB port (output: 5V, 1.5–2A) for charging phones, speakers, and other USB devices. It comes mounted on a universal rear rack that fits 24", 26", and 28" wheel bikes, and includes a built-in taillight for safer riding. The battery level indicator helps you monitor charge status, while the sturdy aluminum shell offers durability and portability. Its modern shape allows for easy installation and removal.

Broad Compatibility
Whether you're installing a new e-bike conversion kit or upgrading an existing electric bike, this battery is an ideal choice. It seamlessly integrates with most e-bike conversion systems—including mid-drive and hub motor kits—and delivers efficient, reliable power. Designed to fit a wide range of bicycle frames, it offers versatile compatibility for various riding setups.