what are the best agm batteries to put in thes things? i did recieve no help from the rv store about it..there are so many different claassses of them...the shop i took it to installed a couple of wet batteries ..i wasnt real happy about that..i do run a portable solar panel on them at times so im wondering if anyone had experience with this..

Absorbed glass mat batteries have a slightly different bulk and float charge voltage and shouldn't be mixed in the same charging circuit. Since much of your charging is accomplished with your engine's alternator you need to have ALL your batteries be the same type or your house bat's will be toast in short order. The battery box in the GTC is nicely suited for groupe 24 12 volt batteries, which coincides perfectly with the best size for your chassis battery.

so the only choice i have are wet batteries?

I think he's saying that if you want the AGM batteries, you need to replace all three. The starting battery and the house batteries.

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Nick Taylor - Green & White 1974 Hall GTC.
www.NicksGarage.com == www.HallGTC.com == www.NicksTeardrop.com