I use these for my electronic kitchen scales. I normally use well-known brands, although recently had a poor experience with supermarket own label ones. Those didn't last very long - ah, the joys of false economies.
I normally buy in pairs as and when I need them, although this is very expensive. However these were less than £4 for 10. 40p each is almost giving them away. Very good service from Aquarius computers.
Two in the scales, eight in the cupboard. A lifetime's supply.
There's no manufacture or "use by" date on the batteries or the packaging, so I cannot tell whether these are ancient stock or not. However they seem to work - not sure how much more information I can give in a review of a battery!