07-14-2013 05:48 PM
07-16-2013 04:53 PM
These batteries do not like to be fully discharged. Doing so can damage them, including rendering them useless. And this can happen with full discharge of a new or old battery...they just do not like that condition. Such is the state of current battery technology in our world.
But, to test, please try this sequence...note that, throughout the entire 4h15m process, your BB must remain connected to a known-good wall charger (not PC USB):
This has been known to "kick start" some BBs.
It is also possible that your battery or BB has experienced a problem...to test, this sequence is needed:
The results of this will indicate if it's your BB or your battery that has the problem. Note carefully please that "new" and "known good" are not necessarily synonymous.
Good luck and let us know!