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PowerInverters - Frequently Asked Questions



What size inverter should I buy? (and Formula to convert Amps to Watts)

We carry many different sizes, and several brands of power inverters. See our Inverters Page for specifications on each of our models.

Short Answer: The size you choose depends on the watts (or amps) of what you want to run (find the power consumption by referring to the specification plate on the appliance or tool). We recommend you buy a larger model than you think you'll need (at least 10% to 20% more than your largest load).

12 Inch color Television 16 Watts
Video games console 20 Watts
Satellite TV receiver 30 Watts
CD or DVD player 30 Watts
HiFi stereo 4-head VCR 40 Watts
Guitar amplifier (at average volume ) 40 Watts
Stereo system (at average volume) 55 Watts
CD changer / mini system 60 Watts
GE 9 Inch color TV/radio/cassette 65 Watts
13 Inch color TV 72 Watts
19 Inch color TV 80 Watts
20 Inch TV/VCR combo 110 Watts
27 Inch color TV 170 Watts
Stereo amplifier 250 Watts
Home theater system 400 Watts  
Power Drill 400 Watts  
Small Coffee Machine 600 Watts  
Small Microwave Oven 800 Watts  
Toaster 1000 Watts  
Full Size Microwave Oven 1500 Watts    
Hair Dryer & Washing Machine 2500 Watts        
Air Conditioner 16000 BTU 2500 Watts        
Air Compressor 1.5HP 2800 Watts        
Heavy duty power tools 2800 Watts        


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