Should I add a second battery?
Are you looking for engine off performance, if that's the case, then an extra deep cycle is a good idea. If it's for typical daily driving use while the engine is running, then you should be fine with a single, good condition battery, assuming your alternator and electrical system are in proper working condition. I've had my 2000watt rms system running on a red top for 5 years now with no issues (it's a daily driver that gets 4 hours a day of normal use). Typical music only demands on average about 20% of actual rms power...so unless you're at full tilt for a long duty cycle, you'll be fine.
Last edited by Denonite; Feb 8, 2010 at 02:53 PM.


