Compatible with Portables as :

Lenovo ThinkPad E40Series
Lenovo ThinkPad E50Series
Lenovo ThinkPad Edge 0578-47B
Lenovo ThinkPad Edge 14 05787UJ
Lenovo ThinkPad Edge 14 05787VJ
Lenovo ThinkPad Edge 14 05787WJ
Lenovo ThinkPad Edge 14 05787XJ
Lenovo ThinkPad Edge 14 05787YJ
Lenovo ThinkPad Edge 14Series
Lenovo ThinkPad Edge 15Series
Lenovo ThinkPad Edge E420
Lenovo ThinkPad EDGE E425
Lenovo ThinkPad Edge E520
Lenovo ThinkPad EDGE E525
Lenovo ThinkPad L410Series
Lenovo ThinkPad L412Series
Lenovo ThinkPad L420Series
Lenovo ThinkPad L421Series
Lenovo ThinkPad L430Series
Lenovo ThinkPad L510Series
Lenovo ThinkPad L512Series
Lenovo ThinkPad L520Series
Lenovo ThinkPad L530Series
Lenovo ThinkPad SL410 Series
Lenovo ThinkPad SL410 2842
Lenovo ThinkPad SL410 2874
Lenovo ThinkPad SL410K 2842
Lenovo ThinkPad SL510 Series
Lenovo ThinkPad SL510 2847
Lenovo ThinkPad SL510 2875
Lenovo ThinkPad T410-i5 Series 
Lenovo ThinkPad T410-i5
Lenovo ThinkPad T410-i7
Lenovo ThinkPad T410ISeries
Lenovo ThinkPad T420(4179A47)
Lenovo ThinkPad T420(4179AC8)
Lenovo ThinkPad T420(4179AC9)
Lenovo ThinkPad T420(4179GVC)
Lenovo ThinkPad T420(4179GWC)
Lenovo ThinkPad T420(418062C)
Lenovo ThinkPad T420(418065C)
Lenovo ThinkPad T420(4180A65)
Lenovo ThinkPad T420(4180AE3)
Lenovo ThinkPad T420(4180AE4)
Lenovo ThinkPad T420(4180AE5)
Lenovo ThinkPad T420(4180AF1)
Lenovo ThinkPad T420(4180AV5)
Lenovo ThinkPad T420(4180AV6)
Lenovo ThinkPad T420(4180AY1)
Lenovo ThinkPad T420(4180AY2)
Lenovo ThinkPad T420(4180BR3)
Lenovo ThinkPad T420(4180CR7)
Lenovo ThinkPad T420(4180CR8)
Lenovo ThinkPad T420(4180ES4)
Lenovo ThinkPad T420(4180ET9)
Lenovo ThinkPad T420(4180EU1)
Lenovo ThinkPad T420(4180EV5)
Lenovo ThinkPad T420(4180F11)
Lenovo ThinkPad T420(4180FR5)
Lenovo ThinkPad T420(4180G31)
Lenovo ThinkPad T420(4180G67)
Lenovo ThinkPad T420(4180G68)
Lenovo ThinkPad T420(4180HB8)
Lenovo ThinkPad T420(4180HN6)
Lenovo ThinkPad T420(4180J4C)
Lenovo ThinkPad T420(4180K17)
Lenovo ThinkPad T420(4180LZC)
Lenovo ThinkPad T420(4180MMC)
Lenovo ThinkPad T420(4180N5C)
Lenovo ThinkPad T420(4180N9C)
Lenovo ThinkPad T420(4180NC5)
Lenovo ThinkPad T420(4180PKC)
Lenovo ThinkPad T420(4180PLC)
Lenovo ThinkPad T420(4180PMC)
Lenovo ThinkPad T420(4180PNC)
Lenovo ThinkPad T420(4180PPC)
Lenovo ThinkPad T420(4180PQC)
Lenovo ThinkPad T420(4180PSC)
Lenovo ThinkPad T420(4180Q7C)
Lenovo ThinkPad T420(4180Q8C)
Lenovo ThinkPad T420(4180Q9C)
Lenovo ThinkPad T420(4180RW1)
Lenovo ThinkPad T420(42364N7)
Lenovo ThinkPad T420(423664C)
Lenovo ThinkPad T420(4236DZ4)
Lenovo ThinkPad T420(4236ED8)
Lenovo ThinkPad T420(4236EJ1)
Lenovo ThinkPad T420(4236EZ7)
Lenovo ThinkPad T420(4236FZ3)
Lenovo ThinkPad T420(4236H20)
Lenovo ThinkPad T420(4236HQ6)
Lenovo ThinkPad T420(4236HY2)
Lenovo ThinkPad T420(4236L56)
Lenovo ThinkPad T420(4236PRC)
Lenovo ThinkPad T420I Series
Lenovo ThinkPad T430Series
Lenovo ThinkPad T430iSeries
Lenovo ThinkPad T510Series
Lenovo ThinkPad T510ISeries
Lenovo ThinkPad T520Series
Lenovo ThinkPad T520ISeries
Lenovo ThinkPad T530Series
Lenovo ThinkPad T530 2429
Lenovo ThinkPad T530iSeries
Lenovo ThinkPad W510Series
Lenovo ThinkPad W510(43192KM)
Lenovo ThinkPad W510(43193GC)
Lenovo ThinkPad W510(43193PC)
Lenovo ThinkPad W510(4319A16)
Lenovo ThinkPad W510(4319A17)
Lenovo ThinkPad W510(4319A18)
Lenovo ThinkPad W510(4319A19)
Lenovo ThinkPad W510(4319A21)
Lenovo ThinkPad W510(4319A28)
Lenovo ThinkPad W510(4319A29)
Lenovo ThinkPad W510(4319A31)
Lenovo ThinkPad W510(4319A35)
Lenovo ThinkPad W510(4319A36)
Lenovo ThinkPad W510(4319A37)
Lenovo ThinkPad W510(4391B48)
Lenovo ThinkPad W510(4391D54)
Lenovo ThinkPad W520Series
Lenovo ThinkPad W530 Series