Quote:
Originally Posted by HappyCamperMN
Is my battery done for? Would it likely be 'ok' for campground camping where we're plugged in to shore power full time? Could it be a converter problem and not actually the battery? Potentially an issue with the truck over-charging the battery during transit on our 5-hour trip?
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1) Most likely done for. You can add some distilled water back to the original level, trickle charge the battery, then take it to autozone for load testing.
2) It'd be OK. Fill it back up with water. Your converter will cover power needs while plugged in.
3) Most likely a "dumb" converter problem in my experience. With a good battery, measure the voltage after a day. If it's above about 13.7 or so, it's slowly roasting the battery. Lots of entry-level converters do this. Either replace converter with a "smarter" one, charge more selectively, or start watching the water much more frequently.
4) Not likely a truck problem, it'd be over-charging your truck too.
Quote:
Originally Posted by HappyCamperMN
Any recommendations for a single 12v deep cycle to replace it with? Or will pretty much any battery do?
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Any 12v similar sized battery will "work". Deep cycle is better. Note there is a difference between true deep cycle and marine "deep cycle". Until you get it worked out, I wouldn't buy an expensive battery.
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Best to worst: 6V "golf cart" batteries in series, Deep cycle, Marine deep cycle, regular 12V automotive