HideBatteryLowAlert (de.defim.apk.hidebatterylowalert) on Google Play
You will not get anymore the message to charge your battery (typically at a level of 13-30%).IMPORTANTThis app has no user interface. Enable it in Xposed - reboot - done.IMPORTANTYour device has to be rooted to install the required X-posed framework: http://tinyurl.com/cd46qco