Making below changes battery status shows correctly

battery.diff

diff --git a/lisp/battery.el b/lisp/battery.el
index b1834f06ff8d..dd0b8f652426 100644
--- a/lisp/battery.el
+++ b/lisp/battery.el
@@ -58,7 +58,7 @@
        ((and (eq system-type 'gnu/linux)
              (file-directory-p "/proc/acpi/battery"))
         #'battery-linux-proc-acpi)
-       ((and (eq system-type 'gnu/linux)
+       ((and (or (eq system-type 'gnu/linux) (eq system-type 'gnu))
              (file-directory-p "/sys/class/power_supply/")
              (directory-files "/sys/class/power_supply/" nil
                                battery-linux-sysfs-regexp))