View battery level in chroot - ARM Chromebook

[ghost]

Is it possible to get the battery level within the chroot? I've had a few near-misses where I don't know how much battery is left when working in the chroot.

[DennisLfromGA]

After reading your question I did a brief search and found a couple of possibilities -

• Check your Laptop Battery status from the command line - http://goo.gl/MFtEp
• Linux Laptop: Display Battery Status And Thermal Temperature From Command Line - http://goo.gl/vLq

The second article also shows a GUI tool that might work too - based on gnome. I have an Acer C7 with crouton installed so I'll try these out as soon as I get a chance and report back...

[dnschneid]

If you're using xfce, you can add the battery plugin to your panel. xfce4-power-manager should also work without any bad side effects (as long as you disable auto-suspend and whatnot).

[akobel]

You can use upower to get the information on the console. upower -e (as root) to show the available power-related devices, then upower -i <device-path> to get a summary of the information about it. On my Samsung Exynos5, this is upower -i /org/freedesktop/UPower/devices/battery_sbs_4_000b.

You can also have a look at the (raw) data in /sys/class/power_supply/<device>/uevent, which AFAICS summarizes all information in the other pseudo-files of the directory. Nice thing: you can easily use this in shell scripts by issuing eval $(cat /sys/class/power_supply/<device>/uevent, which loads everything in shell variables.

[tedm]

on the arm, with xfce desktop (precise), the toolbar battery monitor upon launch is about 3% lower than chromeos, and seems to stay at where it is when launched.

for time, there is a 10 digit constant (8:2) that doesn't seem to map to seconds.