This happens to also to me. I have a Thinkpad T460s with two batterys, I'm using Ubuntu 19.10
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-power-manager in Ubuntu. https://bugs.launchpad.net/bugs/60442 Title: Dual / Two Batteries, shutdown on empty expansion battery. Status in gnome-power: Fix Released Status in gnome-power-manager package in Ubuntu: Fix Released Bug description: Binary package hint: gnome-power-manager Have two fully charged batteries on your laptop. Let the expansion battery on your laptop run out of power. Watch your laptop power down with still 50% charge left. Ubuntu Edgy: IBM Thinkpad X40. To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-power/+bug/60442/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp