This happened at a very inopportune time so apologies for the text being a bit bad. background: framework laptop 13 with 7640 u running fedora 40. ran great for a few months. issue: played some games on battery power. battery health went from mid 90’s to 43. i know playing on battery is bad for it but that is more what i’d expect if I took a hammer to it. what i’ve tried: rebooted, cleared upower history, removed 90% charge limit in bios then shut down and charged.
Any thoughts would be appreciated.
Edit: I ran it out of battery while on the bios screen then charged it to full before powering it on. Battery health is now showing 91%. I’ll see if it lasts, but I’m glad I didn’t just go out and buy a battery without troubleshooting first.
The battery that has been consistently working fine for several months went from 95 to 40 percent battery health in a day? I’d rather like to meet your dealer; they’ve got some good stuff.
You ran the battery at a discharge rate that was too high for it to do its chemical reaction at the rate that allows it to maintain capacity.
Rather than looking for a solution on the off chance that you know better than whoever programmed the charge controller, why not just process what sounds like an in warranty replacement for a damaged consumable part?
After cycling the battery properly the health is showing 91% and has been working well all day. It’s almost like fixing the problem was a good idea.