ATC® 12 cell Replacement Battery for Sony PCG-5J1L, PCG-5J2L,PCG-5K1L, PCG-5K2L,PCG-5G1L, PCG-5G2L, PCG-5G3L PCG-6S1L,PCG-6S2L,PCG-6W1L,PCG-6W2L,PCG-6W3L,PCG-7131L,PCG-7132L, PCG-7133L,PCG-7111L,PCG-7112L,PCG-7113L,PCG-7Z1L,PCG-7Z2L,PCG-8Z1L, PCG-8Z2L/VGP-BPS9,VGP-BPS9A,VGP-BPS9/B,VGP-BPS9/S 10400mah

Battery Type: li-ionVoltage: 11.1VCapacity: 10400mAhComponents: 12 cellsCompatible Part Number:Sony VGP-BPS9,VGP-BPS9A,VGP-BPS9/B,VGP-BPS9/S
Product DescriptionNote: Our this battery can't fit with Windows 7 system, This battery comes with a driver CD, and there is something important for you to do:Before installing the battery, be sure to install the drivers, and please don't update the BIOS. Then please reboot your laptop after installing the driver. At last install the battery and do 3

Source: Digital Camera and Video Store...