Same problem.
Arch Linux 64 bits
UPower client version 0.99.5
UPower daemon version 0.99.5
Gnome Shell 3.22.2 on X

$ upower -d
Device: /org/freedesktop/UPower/devices/mouse_0003o046Do4041x0004
  native-path:          /sys/devices/pci0000:00/0000:00:1a.1/usb6/6-1/6-1:1.2/0003:046D:C52B.0003/0003:046D:4041.0004
  vendor:               Logitech, Inc.
  model:                MX Master
  serial:               4B7F4712
  power supply:         no
  updated:              mar 24 ene 2017 20:42:40 CET (119 seconds ago)
  has history:          yes
  has statistics:       no
  mouse
    present:             yes
    rechargeable:        yes
    state:               unknown
    warning-level:       none
    percentage:          0%
    icon-name:          'battery-missing-symbolic'

Device: /org/freedesktop/UPower/devices/DisplayDevice
  power supply:         no
  updated:              mar 24 ene 2017 10:07:32 CET (38227 seconds ago)
  has history:          no
  has statistics:       no
  unknown
    warning-level:       none
    icon-name:          ''

Daemon:
  daemon-version:  0.99.5
  on-battery:      no
  lid-is-closed:   no
  lid-is-present:  no
  critical-action: PowerOff

Kernel v4.9.5-1-ck-nehalem

Same problem with "Logitech Performance MX" and "Logitech MX Master".

With kernel v4.10.7 on Arch Linux.

$ lsusb
...
Bus 004 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
...

If I unplug and reconnect the Unifying Receiver then it detects it:

$ upower -d
Device: /org/freedesktop/UPower/devices/mouse_0003o046Do101Ax000A
  native-path:          /sys/devices/pci0000:00/0000:00:1a.1/usb4/4-1/4-1:1.2/0003:046D:C52B.0009/0003:046D:101A.000A
  vendor:               Logitech, Inc.
  model:                Performance MX
  serial:               8A8C5B04
  power supply:         no
  updated:              vie 31 mar 2017 11:19:51 CEST (110 seconds ago)
  has history:          yes
  has statistics:       no
  mouse
    present:             yes
    rechargeable:        yes
    state:               discharging
    warning-level:       none
    percentage:          90%
    icon-name:          'battery-full-symbolic'

Device: /org/freedesktop/UPower/devices/DisplayDevice
  power supply:         no
  updated:              vie 31 mar 2017 10:40:51 CEST (2450 seconds ago)
  has history:          no
  has statistics:       no
  unknown
    warning-level:       none
    icon-name:          ''

Daemon:
  daemon-version:  0.99.5
  on-battery:      no
  lid-is-closed:   no
  lid-is-present:  no
  critical-action: PowerOff

But when I reboot "upower" doesn't detect it.

I think the problem is in missing udev rule.
Try to add in file /lib/udev/rules.d/95-upower-csr.rules
below line:  "# These devices bind to the hid-logitech-hidpp module since Linux 3.19"


ATTRS{idVendor}=="046d", ATTRS{idProduct}=="c52b", ENV{UPOWER_BATTERY_TYPE}="lg-wireless"

and then restart computer.

If this does not work then add above line:   "# These devices bind to the hid-logitech-hidpp module since Linux 3.19"

ATTRS{idVendor}=="046d", ATTRS{idProduct}=="c52b", DRIVER=="logitech-djdevice", ENV{UPOWER_BATTERY_TYPE}="unifying"

and restart computer.

not working on ubuntu 16.04 LTS with HWE kernel...

Please test again using kernel >= 4.7 and UPower >= 0.99.5.

The kernel now processes the battery information itself, and presents it to user-space. UPower 0.99.5 has code to not try to prod the devices itself.

It should be much more accurate.

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