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Power Inverter - Guide to Calculate and Select

WallCann has provided these simple power inverter comparison charts and performance selection calculators, to aid you in the correct selecting the right power inverter to meet your needs.
Be sure to check the specific wattage requirements and operating instructions for appliances / tools to be used. 

If you require further assistance, please contact the WallCann technical sales team, via the online live chat or support email, or call 1300 799 455.

Horsepower / Watts Calculator

Enter a numeric value in either box to convert the units.

to and from





Power / Current / Voltage Calculator

Enter a numeric value in any box to convert the power units. The Australian standard of 230V is provided as a default.

to and from ×

 

 

 

8ZED Power Anywhere!  Power Inverter Application Chart.

The easy way to find the right power inverter to suit your needs.

Click on inverter size to buy now!

Applications

Power (Watts)

Power Inverters

Blender
300
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Blow Dryer
900-1500
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Cappuccino Maker
1250
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
CD or DVD Player
35
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Clock Radio
50
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Coffee Grinder
100
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Coffee Pot (4 cup)
650
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Coffee Pot (10 cup)
1200
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Computer - Laptop
50-100
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Computer - PC & Monitor
200-400
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Computer - Printer (inkjet)
60-75
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
CPAP Breathing Machine
200
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Fan - 12" 3 speed
230
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Fan - Table
25
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Freezer
500-800
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Frying Pan
1200
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Game Console
100-300
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
*Heater (1/3hp)
1200
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Hot Plate
1200
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Iron
1000
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Lights - 100W Incandescent
100
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Lights - 100 W Compact Fluorescent Eq.
30
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Microwave (600-1000W Cooking Power)
1100-2000
No
No
No
No
No
Yes
(up to 700W)
Yes
(up to 850W)
Yes
Yes
Mini Christmas Lights
25
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Mobile Phone (Cellular phone) Charger
25
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
MP3 Player Charger
120
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Refridgerator/Freezer
600
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Satellite Dish
30+
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Stereo
30-100
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Toaster
800-1500
No
No
No
No
No
Yes
Yes
Yes
Yes
Toaster Oven
1200
No
No
No
No
No
Yes
Yes
Yes
Yes
TV - 25" Colour
300
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
TV- 19" Colour TV or monitor
160
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
TV - Black & White
30
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes+
TV- 13" Colour TV/VCR
230
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
VCR
40-60
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Vacuum Cleaner
300-1100
No
No
Yes
(up to 600W)
Yes
Yes
Yes
Yes
Yes
Yes
Waffle Maker
1200
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Washing Machine
920
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes

Common Tools

*Air Compressor - 1hp
2000
No
No
No
No
No
No
Yes
Yes
Yes
*Airless Sprayer - 1/2 hp
600
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Band Saw
1200
No
No
No
No
No
Yes
Yes
Yes
Yes
Circular Saw - 6 1/2"
1000
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Circular Saw - 7 1/4"
1200+
No
No
No
No
No
Yes
(up to 1600W)
Yes
(up to 2100W)
Yes
Yes
Circular Saw - 8 1/4"
1800
No
No
No
No
No
No
Yes
Yes
Yes
Chop Saw
1550
No
No
No
No
No
No
Yes
Yes
Yes
Cut Off Saw
1000
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Disc Sander
1200
No
No
No
No
No
Yes
Yes
Yes
Yes
Drill - 1/4"
250
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Drill - 3/8"
500
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Drill - 1/2"
750
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
*Electric Chain Saw - 14"
1200
No
No
No
No
No
Yes
Yes
Yes
Yes
*Grinder - Portable
1380
No
No
No
No
No
Yes
Yes
Yes
Yes
Jig Saw
300
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Table Saw
1800
No
No
No
No
No
No
Yes
Yes
Yes
 
 
 

Further Tips

View Full Range

To select an inverter that has enough power for your application, add the watts for the items you may want to run at the same time. 

Use the total wattage, then add 10% to 20%, as your minimum power requirement.

Note: The wattages given in the table above are only 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.

DC Amps is an estimate of the DC current draw from a 12V battery for that particular appliance. 
For 24V Inverters, the DC Amps from a 24V battery will be approximately half what is listed in the table.

* 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.

To aid in working out your appliance's power, you can use the following CONVERSION FORMULA: Watts ÷ 220 = Amps ........ Amps x 220 = Watts

If you require further assistance, please contact the WallCann technical sales team, via the online live chat or support email, or call 1300 799 455.