I put in the ‘inxi’ line you sent and came out with this for ‘Battery’:
Battery:
ID-1: BAT0 charge: 20.3 Wh condition: 48.7/45.6 Wh (107%) volts: 7.5/7.6
model: GDPT CN6613-2S3P type: Unknown serial: status: Charging
Device-1: hidpp_battery_0
model: Logitech G305 Lightspeed Wireless Gaming Mouse serial:
charge: 100% (should be ignored) rechargeable: yes status: Discharging
I don’t see any indication there are 2 batteries.