He Sony BP-U60 is a lithium-ion battery for select Sony camcorders,
PMW-100
PMW-160
PMW-200
PMW-300
PMW-EX1
PMW-EX3
PMW-F3
PXW-FS5
PXW-FS7
The battery has a battery voltage of 14.4v. Does not suffer from any memory loss effect when charged or discharged to enhance its performance. Built In Charge Level Indicator to regulate and maintain voltage, temperature and performance