FuShield Li-ion Lithium Battery High QualityOur used the high efficient Our electric bicycle battery used the high efficient electric core. Repetitive discharge test, anti-collision and wrestling. SafeOur e-bike battery has BMS control system for safety protection, which has over charge, over discharge, over load and short circuit protective function. Easy to operate and convenient to use. Perfect DesignLight weight design, easy to install and remove, Eco friendly and safe to use. Protective safety lock, easy disassembly and installation of battery. We specialize in electric bicycle batteries only, our goal is let all cycling enthusiasts get their satisfying battery. PerformanceSilver Aluminum Alloy Shell and battery capacity displayperfect product performance make enjoy your cycling. Warranty If the product have any problem, just contact with our store, we will have professional people to solve it. And E BIKE lithium battery have 12 month warranty time.