--- a/src/battery.c	2012-10-18 15:42:04.000000000 +0200
+++ b/src/battery.c	2012-10-18 15:43:33.000000000 +0200
@@ -42,7 +42,8 @@
  ************************************************************************/
 
 /* used to parse the battery state file */
-#define CAPACITY_UNIT " mAh"
+#define CAPACITY_UNIT1 " mAh"
+#define CAPACITY_UNIT2 " mWh"
 
 /************************************************************************
  * Global constants definitions
@@ -164,7 +165,7 @@
             char *endptr;
 
             capacity = strtoul(buf, &endptr, 10);
-            if (strcmp(endptr, CAPACITY_UNIT) != 0) {
+            if (strcmp(endptr, CAPACITY_UNIT1) != 0 && strcmp(endptr, CAPACITY_UNIT2) != 0) {
                 fprintf(stderr,
                         "%s : Battery %s unplugged or unconsistent data\n",
                         PACKAGE, bat->name);
@@ -238,7 +239,7 @@
             char *endptr;
 
             remain = strtol(buf, &endptr, 10);
-            if (strcmp(endptr, CAPACITY_UNIT) == 0)
+            if (strcmp(endptr, CAPACITY_UNIT1) == 0 || strcmp(endptr, CAPACITY_UNIT2) == 0)
                 bat->percentage = (int) ((remain * 100.0) / bat->capacity);
             else
                 bat->percentage = -1;