Used this with my T420 laptop.
Original 90W 20V 4.5A Lenovo 92P1105 AC Adapter Charger w/Power
Compatible Part #s: Lenovo 92P1111, 92P1154, 92P1158, 92P1104, 92P1106, 92P1108, 92P1110, 92P1112, 92P1114, 92P1153, 92P1156, 92P1157, 92P1158, 92P1159, 92P1160, 92P1161, 92P1211, 92P1212, 92P1255, 92P1253, 92P1254, 93P5026
Compatible Models: Lenovo ThinkPad Edge, ThinkPad L410, L412, L420, L421, L510, L512, L520, ThinkPad R60, R60e, ThinkPad R61, R61e, R61i, ThinkPad R400, R500, ThinkPad SL300, SL400, SL410, SL500, SL510, ThinkPad T60, T60p, ThinkPad T61, ThinkPad T400, T410, T410i, T400s, T410s, T410si, T420, T420s, T500, T510, T510i, ThinkPad T520, ThinkPad W500, ThinkPad X60, X60s, X60 Tablet, ThinkPad X61, X61s, X61 Tablet, X61LS, ThinkPad X100e, X120e, ThinkPad X200, X200s, X200t, X200 Tablet, X201, X201i, X201s, X201t, X201 Tablet, X220, X220 Tablet, ThinkPad X300, X301, ThinkPad Z60m, ThinkPad Z61e, Z61m, Z61t, Lenovo 3000 C100, or C200, Lenovo 3000 N100, or N200, Lenovo 3000 V100, or V200, Thinkpad Advanced Nini Dock (2503), Thinkpad Essential Port Replicator (2505), Thinkpad Port Replicator series 3 (4336), Mini Dock Series 3 (4337), MIni Dock Plus Series 3 (4338), External Battery Charger (40y7625)
