Advice on adding a 2nd Battery

[Firewalker]

Going to be adding in a 2nd battery for this new Cab-22 amplifier that will be shipped later on this week or early next week. So I am looking at adding in a small battery as well in back. Any suggestions on a smaller battery that will work? The Cab-22 is a 2k amplifier and I have the PPI i520.4 as well installed.

Been looking at the XS Power Batteries and a few others

Thanks guys

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[Popwarhomie 5,000+ posts]

Odyssey Extreme ODS-AGM080FT ( New part number Northstar SMSAGM80)

Northstar battery, 2000 watt car audio battery, xs power, kinetic, optima, battery, car audio

gpcaraudio.com

 

[audioholic 5,000+ posts]

If you are running a multi batt setup and each batt is not the same, then they should be isolated from each other either by an isolator (don't recommend) or a relay (recommended).