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Both calculators run independently β€” change the inputs on either side to compare results.

Solar Energy

Off-Grid Solar System Calculator

Size your off-grid solar system by calculating required solar panels, battery bank, and inverter capacity. Essential for cabins, RVs, or remote installations without grid access.

Fill in the required fields to see your result.
Solar Energy

Solar Battery Storage Calculator

Find the battery bank capacity (in amp-hours) needed to power your home for a set number of backup days. Use this when designing an off-grid system or adding storage to a grid-tied solar setup.

Fill in the required fields to see your result.

Key differences

Off-Grid Solar System CalculatorSolar Battery Storage Calculator
CategorySolar EnergySolar Energy
Inputs required54
ResultTotal System Capacity (W)Required Battery Capacity (Ah)
What it doesSize your off-grid solar system by calculating required solar panels, battery bank, and inverter capacity. Essential for cabins, RVs, or remote installations without grid access.Find the battery bank capacity (in amp-hours) needed to power your home for a set number of backup days. Use this when designing an off-grid system or adding storage to a grid-tied solar setup.