I've never heard of damage from leaving a BB on a charger. I leave mine charging overnight every night, no issues. Is there some symptom you are seeing that causes you to believe this to be a problem?
Good luck and let us know!
Get your 15% discount at ShopBlackBerry.com! Click Here for details.
Occam's Razor nearly always applies when troubleshooting technology issues!
New to the Community? Click here and also here for helpful guidance. Also please click here for additional helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions. If anyone has been helpful to you, please show your appreciation by clicking the button. Need a reference to BB10 OS/SR versions? Click here. Need a specific BB10 AutoLoader? Send me a private message.