Librem 5 significant loss in battery life

[Quarnero]

Perhaps this procedure might help (if not tried already):

@fiacco

Correction: today after charging the battery until the red LED went out, the battery level was 52%. After restarting power manager it became 99%.

@Quarnero

Please: sudo systemctl restart upower . If nothing changes, connect your phone to power supply and execute: sudo shutdown -hF now , proceed with:
7. When the red light turns off the battery is fully charged.
8. After the red light turns off, unplug the charger, then press and hold the power button for 15 to 18 seconds until you see a green light.
9. Release the power button and the phone should boot up.

Expect to find your phone battery at 100% (kind of calibrated).

I think that this charging of battery “until the red LED goes out” will help out and having Librem 5 powered off might provide quite better environment for doing that. With percentage: 67%, as you posted, your battery should pick up around 5V/1.5A from original power supply, I’d expect.