| Re: [GMCnet] Battery charging confusion [message #105046] |
Thu, 04 November 2010 11:53 |
rallymaster
Messages: 662
Registered: February 2004
Location: North Plains, ORYGUN
Karma: -4
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Senior Member |
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Remember, guys, Bob is talking about SOLAR not AC or generator operated
battery chargers. The good solar charge controllers have the technology
to do it right, and a good installation does include the temperature
probe between the batteries. It also includes mounting the charge
contoller close to the batteries and using big enough wire so that you
have that 14.whatever voltage at the batteries, not just at the
controller output. Ken is right, if you don't have a good solar charge
controller and the temp probes, play it safe and don't try to get the
absolute best performance out of your batteries.
RonC
<SNIP>
> In another application I have several small battery packs that have
> thermistors implanted in them. The thermistors tell the matching
> smart charger when they are being over charged. Once the thermistor
> trips the charger throttles down and stays there until the pack is
> removed from the charger and is reconnected again. This arrangement
> allow much higher initial charging rates and shortens the normal
> slow 12 hour charge rate on a completely depleted battery to about
> 2.0 hours. It works.
>
> If you had similar smart charging technology built into your battery
> and a smart charger to interpret it, then you could go to 14.8 or
> higher on your GMC batteries. Without it I suggest you stay in the
> 13.8 to 14.2 volt range and float them to 13.2 when they are fully
> charged.
>
>
>
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
Ron & Linda Clark
1978 Eleganza II
North Plains, ORYGUN
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Ron & Linda Clark
North Plains, ORYGUN
78 Eleganza II
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