3 calculators in this category
- Off-Grid Daily Load Audit (Watt-Hours) CalculatorEvery off-grid, RV and marine solar design starts with one number: the watt-hours your loads consume in a day. This calculator…
- Off-Grid Battery Bank Amp-Hour CalculatorIEEE 1013 sizing methodThis calculator turns a daily watt-hour load into the amp-hour capacity of an off-grid battery bank, then works out how many…
- Home Battery Backup Sizing CalculatorNEC 2023 Article 706Tell this calculator how much energy your critical loads consume in a day, how long you need to ride through an outage, and how…
Which one do you need?
- Off-Grid Daily Load Audit (Watt-Hours) Calculator
- Total your daily watt-hours appliance by appliance for an off-grid, RV or marine solar design, with inverter losses, peak watts and motor surge included.
- Off-Grid Battery Bank Amp-Hour Calculator
- Size an off-grid battery bank in amp-hours from daily load, days of autonomy, bank voltage, depth of discharge, inverter efficiency and cold derate.
- Home Battery Backup Sizing Calculator
- Size a home backup battery in kWh and kW from your critical loads, outage length, depth of discharge and solar recharge, and see the expected runtime.