Please check compatibility with your laptop carefully as laptop models do vary.Ensure you have the correct Tip Size, Output Voltage and Amp Rating from your previous charger.The AC power adapter enables you to operate your laptop or charge the battery from electrical power outlets.If you are running your computer on AC power with a battery installed, the adapter charges the battery ( if needed ) and maintains its charge.Tip Size: 5.5 x 2.5mm TipOutput: 16V 4.5AUK Three-Pin Plug Power CordFit for models : IBM charger p/n: 02K6746, 02K6753, 08K8203, 08K8207, 08K8211 and many moreIBM ThinkpadIBM T30 T40 T41 T42 T43 Laptop charger models compatible laptop listIBM Netfinity 7000 M10IBM ThinkPad 240IBM ThinkPad 240XIBM ThinkPad 240ZIBM ThinkPad 331IBM ThinkPad 365IBM ThinkPad 365CIBM ThinkPad 365CDIBM ThinkPad 365CSIBM ThinkPad 365CSDIBM ThinkPad 365EIBM ThinkPad 365EDIBM ThinkPad 365XIBM ThinkPad 365XDIBM ThinkPad 380IBM ThinkPad 380DIBM ThinkPad 380D-MMXIBM ThinkPad 380EIBM ThinkPad 380EDIBM ThinkPad 380XDIBM ThinkPad 380XD(Type 2635-Exx)IBM ThinkPad 380Z (Type 2635-Bxx)IBM ThinkPad 380Z(Type 2365-Hxx)IBM ThinkPad 385IBM ThinkPad A30EIBM ThinkPad A30MIBM ThinkPad A30PIBM ThinkPad A31IBM ThinkPad A 31EIBM ThinkPad A 31MIBM ThinkPad A31PIBM ThinkPad E530IBM ThinkPad I 1200IBM ThinkPad I 1210IBM ThinkPad I 1211IBM ThinkPad I 1230IBM ThinkPad I 1241IBM ThinkPad I 1250IBM ThinkPad I 1251IBM ThinkPad I 1271IBM ThinkPad I 1300IBM ThinkPad I 1300 1171-NMUIBM ThinkPad I 1321IBM ThinkPad I 1340IBM ThinkPad I 1351IBM ThinkPad I 1361IBM ThinkPad I 1391IBM ThinkPad I 1400IBM ThinkPad I 1418IBM ThinkPad I 1420IBM ThinkPad I 1421IBM ThinkPad I 1441IBM ThinkPad I 1442IBM ThinkPad I 1460IBM ThinkPad I 1480IBM ThinkPad I 1482IBM ThinkPad I 1500IBM ThinkPad I 1700IBM ThinkPad I 1720IBM ThinkPad I 1721IBM ThinkPad R30IBM ThinkPad R31IBM ThinkPad R32IBM ThinkPad R40IBM ThinkPad R40eIBM ThinkPad R50IBM ThinkPad R 50EIBM ThinkPad R 50PIBM ThinkPad R51IBM ThinkPad S XIBM ThinkPad T20IBM ThinkPad T21IBM ThinkPad T22IBM ThinkPad T23IBM ThinkPad T30IBM ThinkPad T40IBM ThinkPad T40PIBM ThinkPad T41IBM ThinkPad T41PIBM ThinkPad T42IBM ThinkPad T42PIBM ThinkPad T43IBM ThinkPad T43PIBM ThinkPad X20IBM ThinkPad X20 seriesIBM ThinkPad X21IBM ThinkPad X22IBM ThinkPad X23IBM ThinkPad X24IBM ThinkPad X30IBM ThinkPad X30 SeriesIBM ThinkPad X31IBM ThinkPad X40IBM ThinkPad X40 SeriesIBM ThinkPad X2660IBM ThinkPad X2661IBM ThinkPad X2662 IBM T42 LAPTOP AC ADAPTER ALSO FITS THE FOLLOWINGIBM 02K6454IBM 02K6491IBM 02K6496IBM 02K6543IBM 02K6545IBM 02K6548IBM 02K6550IBM 02K6555IBM 02K6557 IBM 02K6657IBM 02K6661IBM 02K6665IBM 02K6669IBM 02K6673IBM 02K6677IBM 02K6699IBM 02K6704IBM 02K6744IBM 02K6746IBM 02K6749IBM 02K6750IBM 02K6753IBM 02K6756IBM 02K6757IBM 02K6880IBM 02K7006IBM 02K7007IBM 02K7010 IBM 02K7011IBM 04H6903IBM 04H6904IBM 10H4020IBM 11J8956IBM 11J9992IBM 12J1441IBM 12J1442IBM 12J1444IBM 22P9010IBM 25.10064.031IBM 25.10068.071IBM 4A-PCP7H-ADIBM 65NT178EIBM 73G1819IBM 76H0139IBM 83H6339IBM 83H6739IBM 85G5709 IBM 85G6670IBM 85G6675IBM 85G6689IBM 85G6695IBM 85G6698IBM 85G6709IBM 85G6719IBM 85G6734IBM 85G6736IBM 85G6737IBM 85G6738IBM ACIBM-B10 Please check compatibility with your laptop carefully as laptop models do vary.