High quality and light-weight design; top quality battery cell. Our lithium-ion batteries have passed thousands of repeated discharge and safety tests, so you'll use them with confidence.

Built in BMS protection board contains over charge, over discharge, over current and short circuit to ensure long lifespan.

This bicycle battery shell is formed of lightweight and sturdy plastic which can not be used overheated. it is easy to mount and remove, easy to take it and transport, with completely sealed battery it allow you to utilize it in any weather.

The USB port can not only charge phones and other portable devices outside, which is nice fuction for travel. additionally the safety lock avoid battery losing.

Please charge the battery minimum 5 hours. When the red indicator of the charger turns green, it is fully charged. Also, the charging cycle is kind of 800 times, and our Ebike battery features a lifetime of up to 5 years.

Our battery have one year warranty, with professional technical support, please be happy to contact us if you've any questions.