The Battery 48V 20Ah Manganolong 4820-B from BEST Energy TechnoLogy is a EV Battery with Battery Capacity 20000 mAh, Nominal Voltage 48 V, Charging Voltage 4.2 V, Discharging Voltage 2.7 V. More details for Battery 48V 20Ah Manganolong 4820-B can be seen below.