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Old 06-09-2021, 01:12 PM   #19
Descant
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Default Address the cause, not the symptoms

Quote:
Originally Posted by Garcia View Post
Appreciate all the responses. As I said in the original post, first time I can remember a dead battery in a boat - and that goes back decades! Hopefully leaving it on the charger did the trick. I'll find out on Friday!
First started reading this thread today. Lots of good info about batteries and chargers but little concern about what drained the battery, since this was a first. The OP mentioned rain, but surely there have been other deluges when the bilge pump ran and the boat still started. I'm reminded of two instances with similar symptoms (drained battery) on two different boats. In one, the grand kids were playing in the cuddy and left a light on. Not noticed until days later when: no start. Simple solution: turn off the master switch when the boat was not in use. Second instance: several weeks into the season, the boat sunk at the dock. We had been using it frequently, no problems. Then stopped using it for a couple of weeks. Turns out there was a leak in the bellows through hull. The bilge pump kept up when the boat was being used and mostly wasn't noticed as water ran to the stern and was pumped when under way. Changed oil a couple of times, new bellows. No other problems. Point is, it appears to me that the OP may not have a battery problem; replacing, charging the battery etc. may simply mask symptoms of another issue.
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