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Amazon.com: XUNNENG Replacement Battery Part No.93P4905 for Lenovo Thinkpad X100E, ThinkPad X100e 2876, ThinkPad X100e 3506,Li-Ion CMOS Backup Battery : Health & Household
can't update to new BIOS update to fix not charging battery on Thinkpad X1 Carbon Gen 9 · Issue #350 · fwupd/firmware-lenovo · GitHub
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