Lenmar Replacement Battery for Sony VAIO VGN-AR47G/E1 VGN-AR520E VGN-AR53DB VGN-AR54DB VGN-AR64DB VGN-CR120E/R VGN-CR120E/W VGN-SZ56 VGN-SZ561N VGN-SZ562N VGN-SZ57N Replaces OEM Sony VGP-BPL9 Fits: Sony Vaio VGN-AR47G/E1, VGN-AR520E, VGN-AR53DB, VGN-AR54DB, VGN-AR64DB, VGN-CR120E/R, VGN-CR120E/W, VGN-SZ56, VGN-SZ561N, VGN-SZ562N, VGN-SZ57N Replaces: Sony VGP-BPL9 11.1V / 7800mAh Lithium Ion 1 Year Warranty Note: You will be required to install a non-hazardous program to ensure the battery will be 100% compatible with your laptop. This program will update the underlying device driver of intelligent lithium battery, including the BIOS. Please read the instruction manual carefully before you start to install the program Note: This BIOS update is not compatible with machines that have been upgraded to Windows 7 64 bit, from an original 32 bit machine Fits: Sony VAIO VGN-AR47G/E1, VGN-AR520E, VGN-AR53DB, VGN-AR54DB, VGN-AR550E, VGN-AR55DB, VGN-AR630E, VGN-AR64DB, VGN-AR65DB, VGN-AR690U, VGN-CR11H/B, VGN-CR13/P, VGN-CR13/R, VGN-CR13/W, VGN-NR160E/S, VGN-NR160E/T and other Sony VAIO Laptop Models Replaces: Sony VGP-BPL9 11.1V/7800mAh Lithium Ion 1 Year Warranty