PowerPack Bosch Batterie Telaio 300/400/500 Watt. Vari Colori. – FBeBike.it
Amazon.com: ENGWE Ebike Battery 36V/48V, 10Ah/13Ah/15Ah BMS Li-ion Electric Bicycle Battery for Electric Bike Lithium Battery for Motor Conversion 250W 350W 500W 750W 1000W with Charger : Sports & Outdoors