Laptop AC Adapter for IBM Thinkpad A20, A20E, A20M, A20P, A21, A21E, A21M, A21P, A22E, A22M, A22P, A30E, A30M, A30P, A31E, A31M, A31P, R30, R31, R32, R40, R40e, R50, R50e, R50P, R51, T20, T21, T22, T23, T30, T40, T40P, T41, T41P, T42, T42P, T43, T43P, X20, X21, X22, X23, X24, X2660, X2661, X2662, X30, X31, X40
