Welcome to the forum!
Can you please try a different battery. It could be the problem either that its not sitting well on the connectors (meaning you might need to put a small paper to support at the end) or the battery is busted.
Please update on progress
Twitter: @BenGiey | Click " Like " if you want to Thank someone.
If Problem Resolves mark the post(s) as " Solution ", so that other can make use of it.
Try my apps:
http://appworld.blackberry.com/webstore/content/19908433 and http://appworld.blackberry.com/webstore/content/21873907