Solar & Battery Calculators
Free tools to help you size and optimize your off-grid solar power system. Calculate battery runtime, solar charge time, and more.
Battery Runtime Calculator
Calculate how long your battery will power your devices
Solar Charge Time Calculator
Find out how long to fully charge your battery with solar panels
Battery Bank Sizing Calculator
Determine the right battery capacity for your power needs
Solar Panel Output Calculator
Calculate expected daily output from your solar panels
LiFePO4 Voltage Chart
Interactive state of charge chart for LiFePO4 batteries
Amp Hours to Watt Hours Converter
Convert between Ah and Wh for battery capacity
Battery Runtime by Capacity
How long will your battery last? Find runtime examples, use cases, and sizing recommendations for common battery capacities.
Solar Panel Output by Wattage
How much power will your solar panels produce? Find daily output, battery charging times, and sizing recommendations.