piccleboy asked:


I have a nice stereo and i want to be able to turn my car off and run the stereo for a long time. The battery dies after about 30 minutes so i wanted a way to plug the car accessory into a household outlet. The car draws about 960watts. Thats 60amps on a 12Vdc. Some ideas i had were… 1: plug the 120Vac into the alternator that then converts the alternating current into direct current. 2: put a computer power supply in my car that has a 60amp 12Vdc rail. 3: Buy a very expensive (i cant actually afford it) 12Vdc power supply. 4: use a jump start system that can be plugged into the house outlet and the car at the same time. (would that draw the power off the house?)

4 Responses to “Can i run my car accessories off a 120vac line when the cars off?”

1. sapper345 on February 22nd, 2009 9:04 pm

   NO NO NO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2. jon L on February 25th, 2009 11:57 am

   run your computer in the house , you car accessories will run your battery down with the car not running

3. Jeff on February 26th, 2009 10:17 pm

   no. u will kill ur battery if u do if the cars off.

4. henry i on February 28th, 2009 4:20 am

   Try your option 2, but disconnect the battery