New 4800mAh 6 Cells 11.1V Battery for SONY VGP-BPL13 VGP-BPS13 Vaio VGN-CS CS19 VGN-CS290 VGN-CS3 VGN-CS39 VGN-CS90;Compatible with VGP-BPL13 VGP-BPS13 VGP-BPS13/B VGP-BSP13/S VGP-BPS13A/B VGP-BPS13A/S VGP-BPS13B/B VGP-BPS13/Q VGP-BPS13A/Q VGP-BPS13B/Q Compatible with SONY VGP-BPL13 VGP-BPS13 Vaio VGN-CS CS19 Rechargeable Li-ion battery,Capacity:4800mAh, Components:6 Cells, Voltage:11.1V Long Battery life without having to frequently plug into recharge with the Notebook Battery, it guarantees the stamina you need for long work sessions and travel. Highest quality,advanced cell technology and true enhanced performance are guaranteed. CE ROHS Certification passed. 60-day money back and one year warranty offered.