Sony NPF770 Rechargeable 4400 mAh Lithium Ion Camcorder Battery
$73.99
At J&R Computer/Music World on 7-23-2008.
The NP-F770 features a built-in microprocessor that accurately calculates the remaining power within minutes. It also doesn?t have the Memory effect found in other batteries, so you can charge it at any time, regardless of how much charge is remaining.
Rechargeable Lithium-Ion Battery pack designed for Handycam® camcorders
Provides up to 10 hours of continuous Recording time
Built-in microprocessor accurately calculates remaining power within minutes
Dimensions (Approximate): 1 9/16 x 1 5/8 x 2 7/8 inch (38.4mm x 39.8mm x 70.8mm)