Quote:
Originally Posted by BASSMAN
after I installed my 4 gel cell batteries I had to put a cut off switch between the engine battery and the coach batteries, because the engine battery is a lead/acid there is a chance that the alternator will over heat the Gel Cells
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After I read your post, I had to research what GEL batteries are all about. The only advantage I could find is that they are better than AGM for deep cycling which would definitely be nice. The list of disadvantages was extensive including cost, size, lack of high current output, not suitable for cold weather, shorter lifetime, higher internal resistance, and slower charging. The biggest disadvantage is the one you've explained. They require a special charger because the charging and float voltages, 14.0 and 13.7, are lower than most all other battery types.
You must have had a good reason for choosing GEL. What was it?
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