Quote:
Originally Posted by Traditional_Ale
While two 12v batteries might provide similar run-time per charge, they will only recharge 250-300 times. 6v batteries are more like 750-1000 times. However, the most important step in getting a long service life is to keep them charged at all times. Do not allow the sulphuric acid electrolyte to turn into water. A battery just sitting will discharge in 30 days and thus now you have water against metal lead plates, and even if it doesn't freeze the plates are still being damaged.
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What do you recommend for keeping batteries charged that stay in the trailer all summer?
The biggest thing I do is if I come home from dry camping, I will keep the trailer home for 2 days and let the batteries charge back up before putting it back in storage.