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ContinuousWave: Small Boat Electrical
Battery Fails To Hold Charge
|Author||Topic: Battery Fails To Hold Charge|
posted 10-04-2007 01:53 AM ET (US)
I have twin batteries and the number one battery lost its charge.I switched over to number two and everything is fine. If I am powered up on all for a while I can switch oer to one and it will start, but when I turn off all the batteries and come back for more fun the next day and try to start it on on it doesn't work. I took out battery number one and recharged it with one of those nice chargers and stopped when the battery charger said full. Put it back in the boat started once but then the same problem started up again. What is going on?
posted 10-04-2007 07:55 AM ET (US)
What's the age of the battery?
posted 10-04-2007 08:21 PM ET (US)
Take the battery you suspect of being a problem to a battery retailer who has test equipment which can evaluate the capacity of the battery. My guess is the battery has very little capacity. This is common in older batteries. They can take a charge but have very little capacity left.
My advice: in troubleshooting any electrical system powered by a battery the first device to test and inspect is the battery.
posted 10-04-2007 10:00 PM ET (US)
But it is a brand new boat and a brand new battery, purchased in April of this year?
posted 10-04-2007 10:10 PM ET (US)
Still possible with a newish battery, esp. if it got run
dead flat and it was a starting battery (as opposed to
deep-cycle or dual-purpose). Starting batteries do not like
to get run dead flat.
Sounds like it won't hold a charge. Or something that's
If you aren't in a rush, and digging the battery out of the
posted 10-09-2007 12:21 AM ET (US)
Thanks folks and chuck for the series of reccomendations. I'll try to figure out what is going on without accidentally draining battery number 2
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