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Wattage Calculator

Tell us how you’ll use it and what you’ll run at once. We’ll show the running power you need, the starting power to cover motor surges, and the DEWALT systems that fit — with headroom to spare.

Step 1 How will you use your backup power?

Step 2 What will you run at the same time?

Household Appliances & Other Devices Subtotal: 0 Watts
Desktop computer
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Laptop
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TV
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Freezer (inverter type)
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Refrigerator (inverter type)
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Hair dryer
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Iron
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Vacuum cleaner
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Tumble dryer
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Washing machine
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Kitchen Appliances Subtotal: 0 Watts
Dishwasher
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Microwave oven
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Automatic coffee machine
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Electric kettle
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Electric oven
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Electric stove / cooktop
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Heating & Water Heating Subtotal: 0 Watts
Air conditioner (inverter type)
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Space heater (radiator)
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Water heater (boiler)
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Underfloor heating (one room)
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Gas boiler
Quantity
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Your Added Items Subtotal: 0 Watts
Quantity
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Need to add an item with a specific wattage?

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© 2026 Dimax International Poland Sp. z o.o.

DEWALT®, the DEWALT® Logo and GUARANTEED TOUGH® are trademarks of Stanley Black & Decker Inc. or an affiliate thereof and are used under license.

Products marketed and distributed by:
Dimax International Poland Sp. z o.o.
Południowa 8
05-830 Stara Wieś, Poland

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