Being that sort of bear, I (sometimes) note the date on cells when I change them, as with this notation on the AA alkaline cells in the Logitech trackball:
Amazon Basics AA cell – mouse runtime
These Amazon Basics AA cells lasted almost exactly two years, compared with 15 and 20 months from the previous two pairs of Duracell AAs. A few months one way or the other probably don’t mean much, but the Amazon cells aren’t complete duds.
The new Amazon Basics cells have a gray paint job, so they’ve either changed suppliers or branding.
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#1 by Olli on 2018-07-27 - 08:53
Bears, beards and alkaline batteries…”Alkaline battery capacity tests.” https://www.youtube.com/watch?v=-I4liMndTsI
#2 by Ed on 2018-07-27 - 09:09
There’s a defunct single-cell clock sitting on the back of the bench …