Cavo Alimentazione 54.6V 3A con Ventola Raffreddamento DC 2.1mm 48V 3A Li-ion eBike Caricabatteria Adattatore
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. Applicable Battery Type: Only Lithium Battery.