Battery Knowledge

Amp Hours vs Watt Hours eBike Battery: What’s the Difference?

Amp hours vs watt hours eBike battery ratings describe different parts of battery capacity. Amp-hours (Ah) measure electrical charge, while watt-hours (Wh) describe stored energy by combining Ah with battery voltage. For comparing eBike batteries with different...

03/09/2026By EM3ev Technical Team ShelleyBattery Knowledge0 CommentsRead more...

48V Battery Voltage Chart for eBikes: 13S Charge Levels

This 48V battery voltage chart shows the approximate charge levels of a typical 13S lithium-ion eBike battery, which reaches about 54.6V when fully charged. As the battery discharges, its voltage falls. The percentages below are based...

01/09/2026By EM3ev Technical Team ShelleyBattery Knowledge0 CommentsRead more...