Battery

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Battery.el
Description Shows the battery status in the mode line
Author Ralph Schleicher
Maintainer FSF
Source http://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/battery.el
Part of Emacs yes

Basic setup[edit]

M-x display-battery-mode
Add your battery status to the Modeline
M-x battery
View battery status

Customization[edit]

Gnu/Linux[edit]

How to show battery status only on laptop?[edit]

if a device has no battery, we don't want to display-battery-mode be enabled.[1]

(require 'battery)
(when (and battery-status-function
           (not (string-match-p "N/A"
                                (battery-format "%B"
                                                (funcall battery-status-function)))))
  (display-battery-mode 1))

See Also[edit]

time
  1. http://stackoverflow.com/questions/5562974/emacs-is-it-running-on-laptop-or-on-desktop