[AT] Batteries charged backwards.

[Stephen Offiler]

Dean, not all 12V lights are created equal.  Cecil originally said "a
couple incandescent headlights" which will draw plenty of current.

SO

On Wed, Feb 12, 2020 at 7:03 PM Dean VP <deanvp at att.net> wrote:

> Cecil,
>
> A 12v light doesn't draw that much current. So will have to be on there
> for days And then that might draw it down enough to be able to reverse the
> charge. After it has drawn down on the 12 v bulb go to a 6 v bulb. You need
> to get it down to "0" to be able to reverse the charge.  Don't worry about
> connecting a fully charged 12V battery in parallel with a dead battery.
> Normal battery jumper cables are usually not a very big gauge and combined
> with the internal resistance of the batteries the current will be self
> limiting and not damage anything. If hooking running car batteries to other
> dead batteries with jumper cables destroyed good batteries the battery
> companies would be going nuts. In my experience you don't need it connected
> very long to get the dead battery voltage up enough to where a smart
> charger can take over.  I have run into this often enough after my old
> "dumb" charger went belly up that I was on the lookout for an old  used
> "dumb" charger to replace one that served me faithfully for over 40 years.
> Just a month ago I was at an auction here in AZ and danged if there wasn't
> one that looked like the one I had. Paid $5 for it so the world is now back
> to its normal orbit again.  Works like the old one. Some days go better
> than others.
>
>
>
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