Keep The Top Of Flooded Batteries Bone Dry
Cell to cell electrical leakage can and does develop if the top of the battery gets wet. This is an issue with flat top recessed cap batteries. The leakage can grow and become dozens of milliamps. It ...
Forum Discussion
Francesca Knowles wrote:
A very timely tip for me- just replaced the tongue-mounted battery box on the little trailer with one we've had on the shelf for years. It's a "marine" box and I noticed that it has vents cut in the top-? They're the two ovals that show in the pic below.
The box isn't airtight or otherwise sealed- my inclination was immediately to plug those holes to keep the rain out. Should I do that?
Thanks!
Yes. I have the same type of boxes (6 of them). I used pieces of "generic" Eternabond over the holes. There is plenty of air gap between the box and lid for venting. Especially when they are on the tongue and the trailer is moving.
