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Lithium-Ion Batteries Have Gone Too Far
(www.theatlantic.com)
This is a most excellent place for technology news and articles.
I'm keeping a mumber of my first generation Eneloops around. Around 10% of the ones I bought in the 2010s died, the others are still duing duty in my TV remote control etc.
The ones that died mostly died because of staying in a moving box for around 6 years or so after I divorced and forgot about them.
So I'm amazed how many of them just keep working.