Energy, Solar, Sustainability & Environment

Off-Grid, Battery Storage & Backup Power Calculators

Load audits, battery bank capacity, depth of discharge, backup autonomy, recharge time and generator runtime for off-grid cabins, RVs, boats and grid-tied homes adding storage. This is the sizing math that decides whether the lights stay on.

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…

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