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Hi all, I am wondering about how to handle my travel trailer batteries while in tow. When home I use a small charger/maintainer to keep the TT batteries (2 6v deep cycle) topped off. When I get to camping, I plug in my Renogy solar suitcase to get solar charging. its only 100w so depending...

I need to check it next time I run the trailers batteries get low. I can't figure out how why else my truck battery would be going bad after 3 1/3 years. Maybe it's just a crap battery.

Also my alternator generally stays right about 13.5 - 14 volts while running.

Thanks for the reply John. I have a 2017 tundra and my truck battery appears to on its last leg. It's possible that it's coincidence and the next one will last however I generally get at least 5/6 years from my vehicle batteries, and I am noticing some wetness on the top of the truck...

Thanks for the suggestion snoobler, i'll do some checking into those.

I have an old vw beetle that was converted to electric by some college students a while back. they threw 6 deep cycle 12v lead acid batteries in a rack where the back seat used to be. It's a horrible setup but they were on a budget and lithium was probably sky high price wise. I want to...