diff --git a/homeassistant/components/linux_battery/sensor.py b/homeassistant/components/linux_battery/sensor.py
index 9256c3ad18d..bc02affdaed 100644
--- a/homeassistant/components/linux_battery/sensor.py
+++ b/homeassistant/components/linux_battery/sensor.py
@@ -2,6 +2,7 @@
 import logging
 import os
 
+from batinfo import Batteries
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
@@ -72,15 +73,12 @@ class LinuxBatterySensor(Entity):
 
     def __init__(self, name, battery_id, system):
         """Initialize the battery sensor."""
-        import batinfo
-
-        self._battery = batinfo.Batteries()
+        self._battery = Batteries()
 
         self._name = name
         self._battery_stat = None
         self._battery_id = battery_id - 1
         self._system = system
-        self._unit_of_measurement = "%"
 
     @property
     def name(self):
@@ -100,7 +98,7 @@ class LinuxBatterySensor(Entity):
     @property
     def unit_of_measurement(self):
         """Return the unit the value is expressed in."""
-        return self._unit_of_measurement
+        return "%"
 
     @property
     def device_state_attributes(self):