Celica Forums General Discussion Exterior Electrical Help Needed

I have an 03 Celica GT, and I wish to run some electrical components overnight while the engine is off. The problem is when the car is going to be started. The drain from the starter doesn't leave enough power to keep the other electrical components running. Can i put in a second battery and have it stand in hot stand-by? That way when there is too much drain in the line, the second can fill in? I'm not talkinb about a full second battery either, a small backup one only. Thanks for your comments!

just swap out the stock for a deep cycle

First question is why? What do you intend on running all night? A deep cycle battery will drain almost as fast as a normal one but the problem is once its drained it takes forever to charge it up properly.

Just go to autozone and get one of those jump start kits. So even if you do run your battery out you can jump your own car.

Prolly his best bet


Another option is to run 2 batteries and an isolator like on a motor home but that's overkill IMO.

what kind of electronics are you gonna be running?

motion sensor tripped surveillance system.

In case I can't get a house with a garage that is.

why not do that on an outside line? off either an extension cord... or something else thats more hardwired... if its for security... make it so you have full garage protection...

I'd like to have the flexibility of not having to go hard line. In case i'm parked overnight somewhere other than home... I may just scrap this idea though.. A little overkill I think, would be cool though.

just get a car alarm with gps in it