Lithium battery for scooter

--------------------RESPECTIVE PARAMETERS-------------------- 36V Battery model: 36-20 Battery life:50km Bicycle working current: 8A Maximum battery discharge current: 15A Nominal battery voltage: 36v Battery voltage loss: 29v Full charged voltage: 42v 48V Battery model: 48-20 Battery life: 65km Bicycle working current: 10A Maximum battery discharge current: 17A Nominal battery voltage: 48v Battery voltage loss: 39v Full charged voltage: 54.6v --------------------COMMON PARAMETERS--------------------  Battery capacity: 20Ah Cell specifications: 18650 Cell capacity: 2500mA Battery charging current: ≤3A Charging current of the standard charger with the bike: 1.5A Battery charging time(by 1.5A): 12h Battery charging time(by 2.0A): 10h Battery charging time(by 1.5A X 2): 6h Battery charging time(by 2.0A X 2): 5h ( No good for battery) Recharge times: 1200 times Life: 4 years (Customers who bought our products 4 years ago and they had given us feedback） --------------------WARRANTY RU