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John H.[_2_] John H.[_2_] is offline
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First recorded activity by BoatBanter: Dec 2007
Posts: 32
Default Battery charging problem

On Thu, 27 Dec 2007 16:54:38 GMT, wrote:

On Thu, 27 Dec 2007 11:16:29 -0500, John H.
wrote:

On Thu, 27 Dec 2007 15:45:49 GMT,
wrote:

On Thu, 27 Dec 2007 07:23:43 -0500, John H.
wrote:

On Thu, 27 Dec 2007 06:58:49 -0500, "Reginald P. Smithers III"
[email protected] wrote:

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?

An inexpensive "trickle" charger can do more damage than good. You
really want to charge the battery with a smart charger, that will turn
itself on and off as needed.

No, mine's an older version of this one:
http://tinyurl.com/24e7r7

It's a 125/15/2 fully automatic. I said 10 amps earlier, but the actual is
15.

That's not a 3 stage smart charger. You will have a tough time
properly charging a deep cycle battery using that. Walmart sells a
smaller Schumacher "smart charger" for about $75 that is actully
pretty good. It will also properly charge AGM's and Gell Cells if you
ever have the need.


I think you may be correct. This charger has been around for a while. Maybe
I owe myself a present for being a good boy. I'm thinking of something like
this: http://tinyurl.com/2nbjqy

But, I don't see anything there about '3 stage smart charger'.


Here's the one you want. As I said, Walmart has this one for about $75
or maybe a bit less.

http://store.schumachermart.com/ssc-1000a.html


I'll have one before the day is out. Thanks!

(And thanks to the Fed for printing money.)