Solar Battery Size Calculator
Size a battery bank to back up the loads that matter most.
Total energy you want the battery to cover per day (fridge, lights, outlets, etc.)
80% is typical for lithium (LiFePO4) batteries.
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Recommended usable battery capacity
Required nominal battery capacity—
Approx. equivalent (5kWh units)—
Indicative estimate only. Actual battery sizing should account for inverter capacity, peak surge loads (e.g. motors, AC units), and battery chemistry. Contact Amirise Engineering for a full backup power design.