I've been playing about with a Wacom Intuous drawing tablet lately using the wireless kit, and everything I want to do works just fine, but I have no way of checking the battery level. According to Wacom's documentation, there is no indication from the device itself, even when the battery is low. To check, Wacom's software must be used, which I assume will only work under Windows.

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1 Answer

In principle, you should be able to do it in a terminal emulator with upower. Firstly, find the device name:

[romano:~] % upower -e
/org/freedesktop/UPower/devices/tablet_wacom_battery_1
/org/freedesktop/UPower/devices/DisplayDevice

and then, inquire:

[romano:~] % upower -i /org/freedesktop/UPower/devices/tablet_wacom_battery_1 native-path: wacom_battery_1 model: Wacom Intuos PT S (WL) power supply: no updated: Wed 27 Feb 2019 18:10:02 CET (77 seconds ago) has history: yes has statistics: yes tablet warning-level: none percentage: 100% icon-name: 'battery-full-charged-symbolic'

...I can confirm it's working (be aware that the name of the battery can change):

[romano:~] % upower -i /org/freedesktop/UPower/devices/tablet_wacom_battery_0 native-path: wacom_battery_0 model: Wacom Intuos PT S (WL) power supply: no updated: Tue 12 Mar 2019 10:47:18 CET (47 seconds ago) has history: yes has statistics: yes tablet warning-level: none percentage: 45% icon-name: 'battery-good-symbolic' History (charge): 1552384038 45.000 discharging 1552384037 64.000 discharging 1552383975 0.000 unknown History (rate): 1552383975 0.000 unknown

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