New Lenovo battery charged up to 52% cannot charge any more
Either the battery or some part of the charging or power adapter is bad or the reporting OS is wrong. 1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.
If you know someone with a similar system, borrow their charging cord for one night to see if that will charge it. If it does, just purchase a replacement. It is possible that your old battery was good but your charging cord was bad and made you think the battery was bad, or it actually could have damaged the battery over time by not fully charging it.
Look:
http://www.computing.net/howtos/sho...You have to be a little bit crazy to keep you from going insane.