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Backup power calculators
Work out what you need before you spend money: battery capacity, generator size, solar charging time and running costs.
Power Station Size Calculator
Pick your appliances and get the battery capacity (Wh) and output (W) you actually need.
Power Station Runtime Calculator
How many hours will a battery run your fridge, CPAP or TV?
Generator Size Calculator
Add up running and starting watts to choose the right generator.
Solar Panel & Charge Time Calculator
How long solar panels take to recharge a battery, and how many you need.
Appliance Electricity Cost Calculator
What an appliance costs to run per day, month and year.