You've installed the Defy-Red-Lense version, right?
Wenn did you download it? Because a few hours ago, there was an wrong Version linked. So maybe you have the old one?
Also try to wipe your battery stats
I'm sure it was the latest version.
I can't even get to the menu to wipe the stats. At the moment it's plugged into the charger and the LED is glowing red, however when I press the power button, an image of a large battery appears with a question mark inside