We are a Chinese lithium battery manufacturer, and we provide a variety of electric bicycle batteries for mountain bikes, road bikes, folding bikes, and more. We can customize batteries using top-brand cells such as LG, Samsung, LG, Panasonic, SANYO, Sony, etc. All cells are made with high-quality new A-grade batteries, and the voltage of our battery packs ranges from 36v to 52v. Choose us as your reliable battery supplier and visit our website for more information and to make your purchase.