WSB Battery 36 V 20.7 Ah 745 Wh E-Bike Battery Power Pack Yamaha PW-X and PW Series SE, TE Frame Down Tube 500 Wh 400 Wh Battery Set : Amazon.de: Sports & Outdoors
Can a 400Wh Yamaha battery replace my lost 500wh Yamaha battery? | Electric Bike Forums - Q&A, Help, Reviews and Maintenance