Lenovo 0A36303 , Thinkpad Battery 70++, 9 Cell High Capacity Retail Packaged Lithium Ion Laptop System Battery Lenovo 0a36303 9 Cell Extended Life / High Capacity Battery 70++ , Weighs 500 g (1.10 lb), Battery energy (Watt-hours): 94 Wh Lenovo battery 70++ ( 0a36303) is Compatible with the following Lenovo Thinkpad systems/models : L412 , L420 , L430 , L512 , L520 , L530 , T410 , T410i, T420 , T420i , T430 , T430I , T510 , T510i , T520 , T520i , T530 , T530i , W510 , W520 , W530. MFG model #'s are suffix specific - this item is for the T410 but not the T410S. WARNING - This item is not used in the T410S, T410SI T420S ,T420SI, T430S, T430SI , W500 , Any E Series , X Series and G Series notebooks and/or any Tablet notebooks. Lenovo 9 Cell Extended Life Batteries will stick out of the battery compartment by 1 inch. Lenovo OEM Manufacture labels and manufacture dates on Lenovo box pack