Okay to run at 15v?

[dj2perzyk]

I have a 2005 Pontiac Grand Prix, recently added another run of OFC 1/0 to the back (2 total) to two Kinetik HC2000 in the trunk. Using my meter, i read 15v at the front battery and alt. Around 14.8 at the Kinetik batts in the back, and I drop to high 12s at full volume.

Is this okay for the car? It seems to run just fine with no issues since reading 15v, just curious I guess.

Thanks for the info!

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[09civic 5,000+ posts]

Yes, that's fine.

 

[hispls 5,000+ posts]

Hope you have a good warranty on the front battery, because over-charging is the absolute fastest way to kill a bettery.