On 10/09/2020 10:46, Chris Green wrote:
In uk.d-i-y williamwright wrote:
I'm trying to find a digital voltmeter/ammeter that will read both the
charge and the discharge of a battery. The vast majority of the products
available will only read current 'in one direction'. I need something
that will indicate discharge by showing a minus sign, and will display
the value thereof.

Huh!? Just about every digital meter I have ever come across works
'both ways', you just get a number (for +ve) or a number with a - sign
in front (for -ve).

That's what I thought. (I've never actually tried it out for current
with my little Sinometer from Maplin though.)

--
Max Demian