Problem with Sony VGP-BPL2 battery or Sony VGP-BPS2 battery

My original Sony VGN-S460 laptop battery finally stopped working, so i decided to buy a new 6600mah battery. I tried to search online and found Sony sold its battery for more than $200.00. Then i changed my mind and ordered a VGP-BPL2 replacement battery from an online website. The battery was delivered to me quickly. [...]