diff --git a/SoundslabDisplay.py b/SoundslabDisplay.py
index 4e609e7..0a04c38 100644
--- a/SoundslabDisplay.py
+++ b/SoundslabDisplay.py
@@ -81,10 +81,13 @@ class SoundslabDisplay:
         battery_display = '{:02.2f}'.format(capacity) + '%'
         battery_display_offset = 80
         print("Battery: voltage: " + str(voltage) + " prev voltage: " + str(previous_voltage) + " capacity: " + str(capacity))
-        if voltage > previous_voltage:
-            # we're probably charging!
-            battery_display = 'Chrg ' + battery_display
-            battery_display_offset = 130
+        # below method doesn't work - very inaccurate!
+        # should probably track over a longer period of time, which will mean
+        # it's harder to come up with a valid "charging or not" decision
+        # if voltage > previous_voltage:
+        #     # we're probably charging!
+        #     battery_display = 'Chrg ' + battery_display
+        #     battery_display_offset = 130
         overlay.text((self.screen_size[0] - battery_display_offset, 0), battery_display, font=font, fill=self.fg_color)
         
         # add progress meter