Lakeshow94 Posted December 2, 2015 Report Share Posted December 2, 2015 So I just pulled my interstate mt7-34r (supposedly the best battery they make) out of my camry. I noticed the sides were a little bloated/bubbled out. The battery still sits at 12.8v, even after being taken out of the car for 2 weeks. I've read this can happen from overcharging. I never charged this battery with a charger, only off the alt when the car was running. Alt didn't charge exceptionally high, usually around 13.7-14.4 depending on if it was warm/cold or battery charge. Overall system output was about 2k rms on a 180 amp singer alt. Any ideas why this happened? 1999 Lexus GS 300 Pioneer DEH-80PRS Singer 240 Amp (Will be installed later) Northstar Group 31 & 24 Sundown SCV-4000 Rockford T400-4 2 12" CT Sound Meso CT Sounds 6.5 Meso Components CT Sounds Tropo 6.5 Link to comment Share on other sites More sharing options...
CleanSierra Posted December 2, 2015 Report Share Posted December 2, 2015 A load test is really the only way to determine the health of the battery, resting voltage does not tell you the whole story. I've seen it just happen to some batteries, it's a weird thing. Im not the one you want to try to troll. Just a fyi for you. Link to comment Share on other sites More sharing options...
Karkov Posted December 2, 2015 Report Share Posted December 2, 2015 I have seen batteries bulge but mainly because they froze in winter. I am talking about cheap Walmart style batteries. Not 100% if age plays a role. 2007 Chevy Tahoe (SOLD) 12 ~ FI Audio X series 10" w/BP option 2 ~ DC Audio 5.0K @0.67 3 ~ DC Audio 5.0K @1.0 2 ~ PPI 3 way sets (not installed yet) 1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4 4 ~ CT Sounds 5.25" Strato comps (rear fill only) 1 ~ XS Power D4800 1 ~ XS Power D3400 8 ~ XS Power XP3000 160 stock alt, Mechman 370 Elite, 185 DC Power 320+ Sq. Ft. Sound Deadener Pioneer AVH-X5500BHS Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0 Link to comment Share on other sites More sharing options...
_paralyzed_ Posted December 2, 2015 Report Share Posted December 2, 2015 Do a load test. If it passes, use it. Link to comment Share on other sites More sharing options...
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