1.Best Price Guarantee 2.Replacement AC Adapter for IBM Thinkpad 16V 4.5A AC Adapter 3.Certificates: CE/FCC/Rohs power cable ... , A20P, A21, A21E, A21M, A21P, A22E, A22M, A22P, A30, A30 series, A30P, A31, A31P, R30, R31, R32, R40, R40E, R50, R50E ... , i-1241, i-1251, i-1271, i-1300, i-1300 series, i-1321, i-1340, i-1351, i-1351, i-1391 ... i-1241 i-1251 i-1271 i-1300 i-1300 series