Battery Capacity Calculator

Calculate battery capacity and runtime

Calculate Capacity

Load Current (A)

Runtime Needed (Hours)

Depth of Discharge (%)

Or Calculate Runtime

Battery Capacity (Ah)

Required Battery Capacity

0 Ah

Actual Runtime

0 hours

Usable Capacity

0 Ah

Understanding Battery Capacity

Battery capacity is measured in Amp-hours (Ah). Depth of Discharge (DoD) indicates how much of the battery's capacity can be safely used. For example, 80% DoD means you can use 80% of the total capacity.