Originally posted by ganksta
what size kinetik would you recommend getting i have 4 480's and im planning on putting some L7 10's in my truck...
With that amount of current draw, I don't think it will do you much good to just buy a more expensive battery. If you haven't already, upgrade all your underhood grounds to larger guage wiring( like 01 guage ), and get a high amperage alternator. then look at adding better/additional batteries.
The alternator is what supplies the current to your truck( mainly ). A bigger/additional battery will only add to reserve capacity. also, when you add more batteries, you have to have the current on hand to recharge them
Just for
example:4 x viar 480's=150 amps current draw when running + amplifier= 80 amps with system playing. Thats 230 amps drawn from the charging system.
If you have a stock alternator( good for 60-90 amps a lot of times ), then your battery is supplying the the other 140-170 amps of current. It basically will put your charging system in the hole and kill any battery.
How long??? Depends on the quality and size of the batery.
Also keep in mind the above doesn't account for Lights/ac/ecu/ignition... anything the truck needs while running.
A larger alternator and additional/better batteries will probably cover your needs.