diff --git a/i3pystatus/battery.py b/i3pystatus/battery.py
index 75c4d40..4fe4fdd 100644
--- a/i3pystatus/battery.py
+++ b/i3pystatus/battery.py
@@ -6,7 +6,7 @@ import re
 from i3pystatus import IntervalModule, formatp
 from i3pystatus.core.command import run_through_shell
 from i3pystatus.core.desktop import DesktopNotification
-from i3pystatus.core.util import lchop, TimeWrapper, make_bar, make_glyph
+from i3pystatus.core.util import lchop, TimeWrapper, make_bar, make_glyph, make_vertical_bar
 
 
 class UEventParser(configparser.ConfigParser):
@@ -337,6 +337,8 @@ class BatteryChecker(IntervalModule):
             "glyph": make_glyph(self.percentage(batteries), self.glyphs),
             "bar": make_bar(self.percentage(batteries)),
             "bar_design": make_bar(self.percentage(batteries, design=True)),
+            "vertical_bar": make_vertical_bar(self.percentage(batteries)),
+            "vertical_bar_design": make_vertical_bar(self.percentage(batteries, design=True)),
         }
 
         status = self.battery_status(batteries)
diff --git a/i3pystatus/core/util.py b/i3pystatus/core/util.py
index 19775ba..c5fe3b0 100644
--- a/i3pystatus/core/util.py
+++ b/i3pystatus/core/util.py
@@ -510,6 +510,7 @@ def make_vertical_bar(percentage, width=1):
     """
     bar = ' _▁▂▃▄▅▆▇█'
     percentage //= 10
+    percentage = int(percentage)
     if percentage < 0:
         output = bar[0]
     elif percentage >= len(bar):