Dual Battery Box with single vent
We have occasions to dry camp in our 5th wheel. I'd like to add a second battery to increase our run time before needing to fire up the generator. I'd like suggestions for a dual battery box with ...
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I went to WalMart and got a plastic tub with locking top. Drilled a hole in the top to put my OEM vent hose through, put stainless steel worm gear hose clamps on both sides of the hose to secure it to the top. Wallowed a relief with a half round file on the tub top edge until the battery cables would clear the lid, and the lid would latch. Drilled a couple .250" holes about 6" up from the bottom of the tub to provide an air inlet. Throw the batteries in the tub. Used some treated 2x4 to sorta keep the batteries from sliding around. Rock and roll. Rednecked the heck out of it. .
