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Dave92270
03-30-2012, 04:01 AM
Hi guys,

I'm taking my H3 overseas, and I'm getting the truck ready by replacing older or worn out parts. Just bought a set of new new BFG M/T tires, and now I'd like to get a new battery.

Which battery I should get?

I have currently installed AC Delco Professional 640CCA 105RC (model 86-7YR). I had this one for about 2 years (installed at Hummer dealership). I believe I had this same battery before, and it died flat after some 3 years.

Thanks for advice!
fourfourto
03-30-2012, 11:44 AM
My original battery lasted 6 months,dealer replaced with the 7 year one.
At the 5 year mark I replaced the gm battery with a Bosch(pep boys) it fits in the box and its been in a year and no problems.

I have the old gm in the garage it seems to still hold a charge I think the truck came with a 5 year when new.
Dave92270
03-30-2012, 08:28 PM
My original battery lasted 6 months,dealer replaced with the 7 year one.
At the 5 year mark I replaced the gm battery with a Bosch(pep boys) it fits in the box and its been in a year and no problems.

I have the old gm in the garage it seems to still hold a charge I think the truck came with a 5 year when new.


thanks,

I'll check out what pep offers, forgot about them. I also heard good about Optima batteries, but didn't do the research yet. But, I need a good battery because European winters can be cold as hell. I don't trust my AC Delco, because this brand died on me in 2 years even here in So Cal weather.
wpage
03-31-2012, 11:47 PM
You can remove the plastic box and get virtually any size. Upgraded mine to the biggest RV deep cell and modified the oem strap by bending in a vise to fit...

Its worked great since:clapping:

Good luck with cold starts!:jump:
Dave92270
06-27-2012, 07:21 AM
You can remove the plastic box and get virtually any size. Upgraded mine to the biggest RV deep cell and modified the oem strap by bending in a vise to fit...

Its worked great since:clapping:

Good luck with cold starts!:jump:

good idea, I may do it in the future

anyway, I ended up installing another Delco battery. At least it is a brand new one.