LG-VX5400 charging question

just picked up a new Verizon LG-VX5400 flip phone for my wife.
Weird thing when plugging into the AC charging cable...

The battery may only show a couple of bars,
and then when plugged in - start charging - then immediately go to "charging
complete".

I've noticed this - unplugged - then re-plugged... and it acts normal...
with the moving bars.

ALSO - the outside screen stays lit during charging - though dimly -

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"If everything seems to be going well,
you have obviously overlooked something." - Steven Wright