Thanks for your reply! This battery's a really old one...16 to 17 years (yes!) old. It had remained wrapped and unused all this time. I was glad when it reported 9+ V and assumed it's ok, but it seems things're not so simple. Time to buy a new one!
Hi,
I've recently started with electronics as a hobby, thanks to Arduino. It looks I've some misconceptions about battery voltage supply, and I'd appreciate somebody clearing this up for me.
I've a battery that's supplying around 9.3V (when I connect multimeter to the two terminals without...