"Battery Good" = low battery icon ?

Created by: AndKe
Information
Output of solaar show:
sudo solaar show
[sudo] password for andre: 
Unifying Receiver
  Device path  : /dev/hidraw3
  USB id       : 046d:c52b
  Serial       : CD0A94D5
    Firmware   : 12.10.B0032
    Bootloader : 02.14
    Other      : AA.AA
  Has 3 paired device(s) out of a maximum of 6.
  Notifications: wireless (0x000100)
  Device activity counters: 1=131, 2=96

  1: Performance Mouse MX
     Codename     : Performance MX
     Kind         : mouse
     Wireless PID : 101A
     Protocol     : HID++ 1.0
     Polling rate : 8 ms (125Hz)
     Serial number: 01396843
          Firmware: 15.01.B0062
        Bootloader: 02.11
             Other: 00.09
     The power switch is located on the base.
     Notifications: battery status (0x100000).
     Battery: full, discharging.

  2: Wireless Solar Keyboard K750
     Codename     : K750
     Kind         : keyboard
     Wireless PID : 4002
     Protocol     : HID++ 2.0
     Polling rate : 20 ms (50Hz)
     Serial number: 72D5DF87
          Firmware: RQK 33.00.B0015
        Bootloader: DFU 00.02.B0003
     The power switch is located on the edge of top right corner.
     Supports 11 HID++ 2.0 features:
         0: ROOT                   {0000}   
         1: FEATURE SET            {0001}   
         2: DEVICE FW VERSION      {0003}   
         3: DEVICE NAME            {0005}   
         4: REPROG CONTROLS        {1B00}   
         5: WIRELESS DEVICE STATUS {1D4B}   
         6: unknown:1DF3           {1DF3}   hidden
         7: FN INVERSION           {40A0}   
         8: ENCRYPTION             {4100}   
         9: SOLAR DASHBOARD        {4301}   
        10: KEYBOARD LAYOUT        {4520}   
     Has 12 reprogrammable keys:
         0: MY HOME                    => HomePage                      is FN, FN sensitive, reprogrammable
         1: Mail                       => Email                         is FN, FN sensitive, reprogrammable
         2: SEARCH                     => Search                        is FN, FN sensitive, reprogrammable
         3: Calculator                 => Calculator                    is FN, FN sensitive, reprogrammable
         4: MEDIA PLAYER               => Music                         is FN, FN sensitive, reprogrammable
         5: Previous                   => Previous                      is FN, FN sensitive
         6: Play/Pause                 => Play/Pause                    is FN, FN sensitive
         7: Next                       => Next                          is FN, FN sensitive
         8: Mute                       => Mute                          is FN, FN sensitive
         9: Volume Down                => Volume Down                   is FN, FN sensitive
        10: Volume Up                  => Volume Up                     is FN, FN sensitive
        11: SLEEP                      => Sleep                         is FN, FN sensitive, reprogrammable
     Battery status unavailable.

  4: Wireless Solar Keyboard K750
     Codename     : K750
     Kind         : keyboard
     Wireless PID : 4002
     Protocol     : HID++ 2.0
     Polling rate : 20 ms (50Hz)
     Serial number: A92EA88D
     The power switch is located on the edge of top right corner.
     Battery: unknown (device is offline).

Unifying Receiver
  Device path  : /dev/hidraw1
  USB id       : 046d:c525
  Serial       : 0C0D3AA5
    Firmware   : 02.00.B0020
  Has 1 paired device(s) out of a maximum of 1.
  Notifications: (none)

  1: MX Revolution
     Codename     : MX Revolution
     Kind         : mouse
     Wireless PID : 100C
     Protocol     : HID++ 1.0
     Serial number: 0C0D3AA5
     The power switch is located on the (unknown).
     Battery: unknown (device is offline).
Describe the bug Observe that the screenshot below, says "good", yet the battery symbol is low, the LEDs on the mouse indicate good battery too.
Screenshots
Additional context Thank you for Solaar