I'd like to purchase a power outlet for my car. I've found that there are two types of power outlet converters that convert 12V into output voltage range:220V and other one is 110V. I know that in the U.S. most appliances run on 110V.Can i use converter with 220V voltage range? Would 40 W converter be enough to run printer(25W). What is the power range of car cigarette lighter(average)?
If you're just wanting to run computer equipment - most of that with built in power supplies (Monitors and PCs) can be run at either voltage (check for selector switch by the power cord) or it may have auto-switching.
There's no real advantage to 220 over 110 if they are of equal wattage. Wattage=Volts*Amps.
They will both have the same drain on a cars battery and the same # of amps going through the cigarette lighter - given the same devices plugged into them...
Most printers use a separate "brick" type transformer that's probably 110 volts only anyway.
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