I know Ive posted this a few times before but, If you need the battery right away, you can get it at Radio Shack for $30. Or if you dont mind waiting you can get it online for under $5.. ($8 incl. shipping) heres a link to Amazon:

www.amazon.com/Ultralast-UL-NP60-Camcorder-Digital-Equivalent/dp/B0002YXUS8