AC Adapter compatible with IBM Thinkpad A20
IBM Lenovo ThinkPad R30, R31 Type 2656, 2657, 2676 Series
IBM Lenovo ThinkPad R32 Type 2658, 2659, 2677 Series
IBM Lenovo ThinkPad R40 Type 2681, 2682, 2683, 2722, 2723, 2724, 2892, 2893, 2896, 2897, 2899 Series
IBM Lenovo ThinkPad R40e Type 2684, 2685 Series
IBM Lenovo ThinkPad R50, Type 1829, 1830, 1831, 1836, 1840, 1841 Series
IBM Lenovo ThinkPad R50e, Type 1834, 1842, 2670 Series
IBM Lenovo ThinkPad R50p, Type 1832, 1833 Series
IBM Lenovo ThinkPad R51, Type 1829, 1830, 1831, 1836, 1841, 2883, 2887, 2888, 2889, 2894, 2895 Series
IBM Lenovo ThinkPad R51e, Type 1843, 1844 Series
IBM Lenovo ThinkPad R51p Series
IBM Lenovo ThinkPad R52, Type 1846, 1847, 1848, 1849, 1850, 1858, 1859, 1860, 1861, 1862, 1863, 1870, 1958 Series
IBM Lenovo ThinkPad R52p Series
IBM Lenovo ThinkPad S30, S31, Type 2639 Series
IBM Lenovo ThinkPad T20, T21, T22, T23, Type 2647 ( not DAU EAU ) Series
IBM Lenovo ThinkPad T30, Type 2366, 2367 Series
IBM Lenovo ThinkPad T40, Type 2373, 2374, 2375, 2376, 2378, 2379 Series
IBM Lenovo ThinkPad T40p, Type 2373, 2374 Series Capacity Replacement
IBM Lenovo ThinkPad T41, Type 2373, 2374, 2375, 2376, 2378, 2379 Series
IBM Lenovo ThinkPad T41p, Type 2373, 2374 Series
IBM Lenovo ThinkPad T42, Type 2373, 2374, 2376, 2378, 2379 Series Capacity Replacement Laptop Battery
IBM Lenovo ThinkPad T42p, Type 2373, 2374, 2376, 2378, 2379 Series
IBM Lenovo ThinkPad T43, T43p, Type 2668, 2669, 2678, 2679, 2686, 2687 Series
IBM Lenovo ThinkPad T43, Type 1871, 1872, 1873, 1874, 1875, 1876 Series
IBM Lenovo ThinkPad X20, X21, X22, X23, X24 Type 2660, 2661, 2662 Series
IBM Lenovo ThinkPad X30, X31 Type 2672, 2673 Series
IBM Lenovo ThinkPad X40 Type 2369, 2370, 2371, 2372, 2382, 2386
IBM Lenovo ThinkPad X41 Tablet, Type 1866, 1867, 1868, 1869
IBM Lenovo ThinkPad X41 Type 1864, 1865, 2525, 2526, 2527, 2528
IBM ThinkPad 240, 240X, 240Z, Type 2609, 2612 Series
IBM ThinkPad 240, 240X, 240Z, Type 2609, 2612 Series Extended Capacity
IBM ThinkPad 300, 300C, 300T Series
IBM ThinkPad 350, 350C Series
IBM ThinkPad 365, 365C, 365CD, 365CS, 365CSD, 365CSE, 365E, 365ED, 365X, 365XD Series
IBM ThinkPad 380, 380D, 380D-MMX, 380E, 380ED, 380XD, 380Z Series
IBM ThinkPad 380CE, 380CS, 380CSE Series
IBM ThinkPad 385, 385CD, 385D, 385D-MMX, 385ED, 385XD Series
IBM ThinkPad 390, 390E, 390X Series
IBM ThinkPad 560, 560C, 560E, 560X, 560Z Series
IBM ThinkPad 570, 570E Series
IBM ThinkPad 600, 600A, 600D, 600E, 600X Series
IBM ThinkPad 660 (2645-5EU) Series
IBM ThinkPad 700, 700C, 700CS Series
IBM ThinkPad 701, 701C, 701CS, 701CX Series
IBM ThinkPad 720, 720C, 720CS Series
IBM ThinkPad 730, 730T, 730TE Series
IBM ThinkPad 770, 770D, 770E, 770ED, 770U, 770X, 770Z Series
IBM ThinkPad A20m, Type 2628, 2633 Series
IBM ThinkPad A20p, Type 2629 Series
IBM ThinkPad A21e, Type 2628, 2632 (Except Type 2655) Series
IBM ThinkPad A21m, Type 2628, 2633 Series
IBM ThinkPad A21p, Type 2629 Series
IBM ThinkPad A22e, Type 2655, 2663, 2664 Series
IBM ThinkPad A22m, Type 2628, 2629, 2633 Series
IBM ThinkPad A22p, Type 2629, 2633 Series
IBM ThinkPad A30, A30p, A31, A31p Type 2652, 2653, 2654 Series
IBM Thinkpad E, E530 Series
IBM ThinkPad i 1200, i 1210, i 1211, i 1230, i 1241, i 1251, i 1260, i 1271 Series
IBM ThinkPad i 1300, i 1310, i 1320, i 1321, i 1330, i 1340, i 1351, i 1361, i 1370, i 1391 Series
IBM ThinkPad i 1400, i 1410, i 1411, i 1416, i 1417, i 1434, i 1435, i 1436, i 1450, i 1451, i 1454 Series
IBM ThinkPad i 1412, i 1452, i 1456, i 1470, i 1472, i 1476, Type 2611 Series
IBM ThinkPad i 1418, i 1420, i 1421, i 1422, i 1441, i 1442, i 1460, i 1480, i 1482, i 1483, i 1490, i 1492, Type 2621 Series
IBM ThinkPad i 1500, i 1512, i 1552, Type 2611 Series
IBM ThinkPad i 1540, i 1541, i 1542, i 1560, i 1562, i 1592, Type 2621, 2651 Series
IBM ThinkPad i 1700, i 1720, i 1721, i 1750 Series
IBM ThinkPad i 1800, Type 2655 Series

Compatiable Part Numbers: 
02K6543 FRU, 02K6555, 02K6545, 02K6548
02K6549, 02K6550, 02K6553, 02K6554, 02K6556
02K6557, 02K6583, 02K6584, 02K6585, 02K6586
02K6587, 02K6588, 02K6589, 02k6614, 83H6739
11J8959, 12J2453, 11J8974

Output 16.0 Volt
Capacity 4.5A, 72W

PinType: Barrel, Center +, 5.5mm/2.5mm 
Condition: Original, Refurbished