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Amp-Hour Capacity Requirement

Battery Amp Hour Calculator

Determine how many Amp-Hours (Ah) of battery capacity you need to power electrical loads for a specified duration.

Load & Duration Parameters

Provide continuous watt load, runtime hours, and system voltage.

Required Battery Capacity

231 Ah

Includes Inverter & Reserve Overhead

Total Energy Needed: 2,500 Wh
Lithium (LiFePO4) Battery Rating: 231 Ah @ 12V
Lead-Acid (AGM) Battery Rating: 416 Ah @ 12V