Specification: Original Sony BPS13/Q Battery (11.1V 4400mAh/49Wh Colour: Sliver) for Sony VAIO FW FZ NS CS Series
Compatible with following laptops:Sony VAIO
FW FZ NS CS Serie
BPS13/S
Specification: Replacement BPS13 Battery (11.1V 4600mAh/51Wh Colour: Sliver) for Sony VAIO FW FZ NS CS Series
Compatible with following laptops:Sony VAIO
FW FZ NS CS Series VPCCW1Z4E