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S_more_campers
Aug 30, 2013Explorer
The Trojan T105 is the best on the market. I would travel to find a supplier rather than purchase anything else for a travel trailer. The Trojan will literally take a beating - I've used them in electric lift trucks (imagine 5000 Lbs of lift truck and load smashing it's way over a 1" lip all day long - with NO SUSPENSION. Vibration or lack of electrolyte maintenance usually what causes batteries to fail. The Crown CR235 is a good product, I'm not familiar with the Costco battery, but would avoid anything from Interstate / US Battery - easily the worst battery on the planet.
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