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16. HOW MANY WATTS DO YOU NEED ?
To select an inverter that has enough power for your application,add the watts for items you may want to run at the same
time. Use the total wattage, plus 20%, as your minimum power requirement.
Note: The wattage's given below are estimates. The actual wattage required for your appliances may differ from those
listed.Check the nameplate on the appliance to determine the actual wattage required.
* Appliances and tools with induction motors (marked * in tables)may require from 3 to 7 times the listed wattage when
starting.The start-up load of the appliance or tool determines whether an inverter has the capability to power it. Be sure
to check the specific wattage requirements and operating instructions for appliances / tools to be used. Also, air
conditioners are a very difficult load because of the high start-up surge. Use the Locked Rotor Amps to determine the start
up surge requirement.
Appliances Estimated Watts Appliances Estimated Watts
Coffee Maker 600-1200 Household Fan 50-120
Keurig 1500 (max) 200-400
(continuous)
Clock Radio 10-50
Microwave(600-1000
Watt Cooking Power)
1000-2000 Phone Charger 10
Waffle Iron 800-1500 Laptop Computer 20-75
Hot Plate 750-1500 Mac Book Pro 85
Electric Skillet 1000-1500 iPad/ Tablet 10-20
Toaster Oven 1200 Desktop with Monitor 200-400
Toaster 800-1500 Inkjet Printer 15-75
Hair Dryer 1000-1875 Laser Printer 2000 (peak)
Clothes Iron 1000-1500 Photographic Strobe (300 Watt-Second)1200
(peak)
* Refrigerator 500-750 Aquarium 50-1000
* Chest Freezer 600 TV32" LED/LCD 50
* Washing Machine 500-1000 TV42" Plasma 240
Furnace Fan 750-1200
Appliances Estimated Watts Appliances Estimated Watts
Angle Grinder 900 Circular Saw 1400-1800
Drill (1/4"-1/2") 500-960 Chop/Cut OffSaw 1500-1800
Disc Sander 1200 Shop Vac6.5hp 1440
Jig Saw 300-700 * Electric Chain Saw14" 1200
Band Saw 700-1200 * Airless Sprayer 1/2 hp 750
Table Saw 1800 * Air Compressor 1 hp 2000
Pumps and Air
Conditioners
Estimated Watts Pumps and Air
Conditioners
Estimated Watts
* Well Pump 1/3 hp 750 (Running) 1400-
3000 (Starting)
* Sump Pump 1/2 hp 1050 (Running)
2150-4100 (Starting)
* Well Pump 1/2 hp 1000 (Running)
*Air Conditioner
1000-1500 (Running)
* Sump Pump 1/3 hp 800 (Running)