On syslog I read:
May 28 09:46:20 hp850ssd upowerd[1052]: (upowerd:1052): UPower-Linux-WARNING **: no valid voltage value found for device /sys/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3.2/1-3.2:1.0/bluetooth/hci0/hci0:11/0005:03F0:044C.0001/power_supply/hid-00:02:76:4f:9b:cb-battery, assuming 10V
On syslog I read: Linux-WARNING **: no valid voltage value found for device /sys/devices/ pci0000: 00/0000: 00:14.0/ usb1/1- 3/1-3.2/ 1-3.2:1. 0/bluetooth/ hci0/hci0: 11/0005: 03F0:044C. 0001/power_ supply/ hid-00: 02:76:4f: 9b:cb-battery, assuming 10V
May 28 09:46:20 hp850ssd upowerd[1052]: (upowerd:1052): UPower-
but my mouse have two AA batteries, so 2.8V max
b0@hp850ssd:~$ sudo grep -r . /sys/class/ power_supply/ *hid* power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ type:Battery power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/control: auto power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/async: disabled power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup_ abort_count: 0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup_ active: 0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup_ total_time_ ms:3 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup_ active_ count:1 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/runtime_ enabled: disabled power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/runtime_ active_ kids:0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/runtime_ active_ time:0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup_ max_time_ ms:3 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup_ count:1 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup_ last_time_ ms:7182083 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup: enabled power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/autosuspe nd_delay_ ms: Errore di input/output power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/runtime_ status: unsupported power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/runtime_ usage:0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/wakeup_ expire_ count:0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ power/runtime_ suspended_ time:0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ scope:Device power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ capacity: 0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ online: 1 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ status: Discharging power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ uevent: POWER_SUPPLY_ NAME=hid- 00:02:76: 4f:9b:cb- battery power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ uevent: POWER_SUPPLY_ PRESENT= 1 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ uevent: POWER_SUPPLY_ ONLINE= 1 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ uevent: POWER_SUPPLY_ CAPACITY= 0 power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ uevent: POWER_SUPPLY_ MODEL_NAME= HP Touch to Pair Mouse power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ uevent: POWER_SUPPLY_ STATUS= Discharging power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ uevent: POWER_SUPPLY_ SCOPE=Device power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ model_name: HP Touch to Pair Mouse power_supply/ hid-00: 02:76:4f: 9b:cb-battery/ present: 1
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