Hope you have better luck than I did. Bought a brand new Interstate Deep Cycle in August of 2004 and it slowly but surely held less and less of a charge over the next 3 months, took it back and exchanged it and it did the exact same thing. I did everything like the manufacturer suggests and I charge my batteries immediately after every use and keep them hooked to my on board charger. Switched to Carquest Gold Deep Cycle and LOVE them. This is all I will ever have in my boat. They have NEVER ran out of juice even after 12 -14 hours on the water with my Deep V, my big behind and all my tackle still running strong.



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