Silverfish 36 Volt 13 AH electric bicycle battery, and charger — E-Bike Batteries
Amazon.com : Yose Power 36V13Ah Ebike Battery, XH370-10J Silver Fish Lithium-ion Pedelec Battery with Charge for 250W/350W/500W Electric Bike Bicycles Folding Bike Mountain Bike Motor (US Warehouse) : Sports & Outdoors