In article ,
Harry Bloomfield wrote:
Dave Plowman (News) laid this down on his screen :
Assuming the battery isn't knackered, the internal impedance will stop
most chargers doing anything silly. Excepting a very powerful garage type
one.

Even an old fashioned transformer, rectifier - raw DC of stated 4amp
output is more than capable of wrecking a perfectly good battery, if
left on charge. I know, I have done it.

Of course - if left on after the battery is fully charged. But that wasn't
the question.

--
*All men are idiots, and I married their King.

Dave Plowman London SW
To e-mail, change noise into sound.