Solar Calculators
Free solar calculators from SolarKitHQ. Each one shows its formula and where its starting values come from, so you can check the math or work it out by hand.
Solar Generator and Battery Size CalculatorList the devices you want to run to get the battery or power station capacity in Wh, the solar panel watts and the inverter output you need.Solar Panel Charge Time CalculatorWork out how many hours of full sun, and how many days, a solar panel needs to recharge a battery or power station.Battery Run Time CalculatorSee how long a battery or power station runs a device, from its capacity in Wh or Ah and the watts the device draws.