Power Battery, Energy Storage Battery manufacturer / supplier in China, offering Long-Lasting Solar Battery with 72V and 50ah 100ah 150ah 200ah IP54 Waterproofing Maintainable Power Battery for Bicycle Power Assist Fireproof Ifp Battery, 50ah 100ah 150ah 200ah Power Battery - 72V Voltage and IP54 Waterproof Rating Included Upgradable E Bike Battery for Bicycle Power Assist Lithium Battery, Efficient 72V Power Battery 150ah 50ah 100ah 200ah Capacity 90 Kg for Longevity Stabilized Lithium Battery for Electric Vehicles Stable Power Battery and so on.