[AT] Batteries charged backwards.

[Stephen Offiler]

That is only true if the alternator has sufficient capacity to maintain an
output voltage above the battery voltage; then current flows into both the
good battery and the dead battery, but the dead battery soaks up the lion's
share, opposite of your statement.  What really happens in most real world
scenarios is that the alternator reaches an output limit and its voltage
starts to sag.  The good battery starts to provide current output rather
than soak up input.  It's all going towards dumping large amounts of charge
into the dead battery.

SO


On Wed, Feb 12, 2020 at 4:58 PM <szabelski at wildblue.net> wrote:

> When connected in parallel, the current being put through the batteries
> will split between the two, with most of the current going through the good
> battery and the dead battery only getting a portion of the current. The
> dead battery will have a higher internal resistance and will limit the
> current.
>
>
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