Go to Amazon.com : http://www.amazon.com/gp/product/B005GISJLS?tag=theatrecat-20
Superb Choice 6-cell Laptop Battery for SONY VAIO VGN-CS39 VGN-CS39/J VGN-CS39/U VGN-CS390JDVSilver
Type Li-Ion Voltage 111V Capacity 4400mAh 6 cells
1 year replacement warranty30-day refund guarantee after the purchase
High capacity battery certified by CE and RoHS This battery was tested and proven to match andor exceed original specifications of SONY VAIO products
Each Superb Choice battery was tested at an original laptop by the manufacturer
