Alimentatore caricabatterie 54,6V 3A per bici elettrica Hitway BK29 48V 15Ah con spina 1 foro
For Hitway BK29 Electric Bike 48V 15Ah Battery w/ 1-Hole Plug. Your battery is broken. As lithium battery has a limited service life. If your battery has been used for over 12 months or unused for 2-3 months, your battery might be broken.