When you need a Replacement Sony Vaio VGP-BPS13-Q battery for your PC laptop or notebook computer, you need the power of LB1 High Performance batteries. It is the most cost effective and long lasting laptop batteries available on the market today.Compatible models:VGN-AW11S/B, VGN-AW11XU/Q, VGN-AW11Z/B, VGN-AW170C, VGN-AW19, VGN-AW19/Q, VGN-AW21M/H, VGN-AW21S/B, VGN-AW21VY/Q, VGN-AW21XY/Q, VGN-AW21Z/B, VGN-AW230J/H, VGN-AW235J/B, VGN-AW270Y/Q, VGN-AW27GY/QE1, VGN-AW290JFQ, VGN-AW31M/H, VGN-AW31S/B, VGN-AW31XY/Q, VGN-AW31ZJ/B, VGN-AW35GJH, VGN-AW37GY/HE1, VGN-AW37GYQ, VGN-AW41JF, VGN-AW41JF/H, VGN-AW41MF, VGN-AW41MF/H, VGN-AW41XH, VGN-AW41XH/Q, VGN-AW41ZF, VGN-AW41ZF/B, VGN-AW50DB/H, VGN-AW51JGB, VGN-AW52JGB, VGN-AW53FB, VGN-AW70B/Q, VGN-AW71JB, VGN-AW72JB, VGN-AW73FB, VGN-AW80NS, VGN-AW80S, VGN-AW80US, VGN-AW81DS, VGN-AW81JS, VGN-AW81YS, VGN-AW82DS, VGN-AW82JS, VGN-AW82YS, VGN-AW83FS, VGN-AW83GS, VGN-AW83HS, VGN-AW90NS, VGN-AW90S, VGN-AW90US, VGN-AW91CDS, VGN-AW91CJS, VGN-AW91CYS, VGN-AW91DS, VGN-AW91JS, VGN-AW91YS, VGN-AW92CDS, VGN-AW92CJS, VGN-AW92CYS, VGN-AW92DS, VGN-AW92JS, VGN-AW92YS, VGN-AW93FS, VGN-AW93GS, VGN-AW93HS, VGN-AW93ZFS, VGN-AW93ZGS, VGN-AW93ZHS, VGN-BZ11EN, VGN-BZ11MN, VGN-BZ11VN, VGN-BZ11XN, VGN-BZ12EN, VGN-BZ12VN, VGN-BZ12XN, VGN-BZ13VN, VGN-BZ13XN, VGN-BZ153N, VGN-BZ15GN, VGN-BZ16GN, VGN-BZ21VN, VGN-BZ21XN, VGN-BZ31VT, VGN-BZ31XT,Compatible part numbers:VGP-BPL13, VGP-BPS13A/B, VGP-BPS13B/B, VGP-BPS13, VGP-BPS13/B, VGP-BPS13A/Q, VGP-BPS13A/R, VGP-BPS13AB, VGP-BPS13B, VGP-BPS13A, VGP-BPS21, VGP-BPS1321B, VGP-BPS13/Q, VGP-BPS21BBuy with confidence!18-Month Warranty8 hours/day x 5 days/week - Call SupportPeace of mind exclusive 100k product protectionCopyright  2011 Laptop Battery 1 All Rights Reserved.