Battery Calculator
How Long Will Your Battery Last?
Enter your battery size and the appliances you'll run. We'll estimate your backup hours — simple maths, honest answer.
💡 Note: If your battery is rated in KWH (Kilowatt-Hour), first step is to convert to WH (watt-hours)— eg 1 KWH = 1000 WH (Watt Hour), 2 kWh = 2000 Wh & 3.6 KWH = 3600 WH.
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Appliances you'll run
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