Go to Amazon Sites : br br Lenovo Thinkpad Battery 70 (0A36303) 9-Cell Battery br br Compatible with ThinkPad L Series- L412 L420 L430 L510 L512 L520 L530 T Series -T410 T420 T430 T510 T520 T530 W Series -W510 W520 W530 br Thinkpad 9 Cell 94wh 500gram Battery 70 0a36303 extended life system battery