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John H.[_2_] John H.[_2_] is offline

John H.[_2_] is offline

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First recorded activity by BoatBanter: Dec 2007

Posts: 32

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Battery charging problem

On Thu, 27 Dec 2007 15:29:25 GMT, wrote:

On Thu, 27 Dec 2007 06:35:13 -0500, John H.
wrote:

I'm keeping the battery from the new boat in the garage so I can put a
charger on it every so often during the winter. The battery is a Nautilus
Gold Marine Deep Cycle, NG-27.

Yesterday I attempted to charge the battery with an automatic charger set
at 2 amps, 12 volt, deep cycle setting. The little green light began
blinking as though all was going well.

About 24 hours later, I noticed the little red light had come on,
indicating I should check the battery. I disconnected everything.

I'm thinking that 2 amps is not enough to charge the battery, and that I
should try it at 10 amps. But, I don't want to damage a brand new, never
used battery!

Ideas anyone?

Is this a Schumacher smart charger? If so, a BLINKING green light
indicates the battery is sulfated and the charger is attempting to
correct the problem. If it goes to red after that, I would suggest
disconnecting the charger, checking electrolyte levels in all cells
and then trying to charge it again.

Actually, it's a Diehard made by Schumacher. The green light has always
blinked when hooked up to any battery, unless the battery was totally shot
and the red light never went off.

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