Battery Type: Li-ion
Voltage: 11.1V
Capacity: 49WH/4400mAh
Color: Black
Warranty: 1 year warranty!

Laptop Part numbers:

For Sony
 
VGP-BPS13                  VGP-BPS13/B                 VGP-BPS13/Q
 
VGP-BPS13/S              VGP-BPS13A                   VGP-BPS13A/B
 
VGP-BPS13A/Q           VGP-BPS13A/S                VGP-BPS13AS
 
VGP-BPS13B/B            VGP-BPS13B/Q               VGP-BPS13B/S
 
VGP-BPS13S               VGP-BPS21                      VGP-BPS21/B
 
VGP-BPS21/S              VGP-BPS21A                    VGP-BPS21A/B
 
VGP-BPS21B               VGP-BPL13                       VGP-BPL21

Laptop Compatible Models:
 
For Sony Vaio VGN-AW Series
For Sony   Vaio VGN-BZ Series
For Sony   Vaio VGN-CS Series