Lenovo Battery 70+, p/n; 0A36302, 6 Cell Original Retail Package Lithium Ion ThinkPad System Battery for Select Models. Original Manufactures Factory Sealed Retail Packaging.When Searching for a Lenovo Replacement Battery - Search by the Number on your old battery that is in the Red Circle. Lenovo 0a36302 ( 45N1001, 45N1003, 45N1005) OEM in the Security Sealed Lenovo Retail Packaging to ensure receiving a genuine Lenovo battery. 0A36302 Lenovo 6 cell Battery 70+ , 57wh , 5.2ah, 10.8v , 340 grams Lenovo 0A36302 70+ Is Compatible With Thinkpad models ;T410 ( not the T410s), T410i , T420 ( not the T420S), T420i, T430( not the T430S), T430i, T510 (Not the T510S) , T520( Not the T520S) , T530, W510, W520 , W530, L412 , L420, L430, L510, L512, L520, L530 Lenovo Battery Reset May Be Needed If Your System Is Not Recognizing The Item. Remove And Re Install The Item To Fix This Issue. This Is Due To Recent Windows Updates.