MEXICOWANDERER wrote:
2 quarts plus of water. much corrosion. The batteries are damaged. Four years old. A real long-shot they can withstand the rigors of a long camping trip. Only you can call the shots on a coin-toss decision for new batteries.
When storing the rig...
Buy a BATTERY TENDER and plug it in.
UNPLUG the rig to neuter the converter.
Only use the converter for short sessions. No more than one week plugged-in with discharged batteries. No sense in spending a lot of money for a tiny bit of camping-time service.
What he said.
I would only add: Put the battery disconnect switch to OFF and connect the tender directly to the batteries.