Part No IM4020LH Voltage 10.8V Capacity 4400mAh Number of cells 6 Cell Cells technology Li-ion Over charge protection Yes Over discharge protection Yes Condition New Warranty 6 months Compatible Battery Part Number: Lenovo 08K8194 Lenovo 92P1010 Lenovo 92P1011 Lenovo 92P1058 Lenovo 92P1060 Lenovo 08K8194 Lenovo 92P1067 Lenovo 92P1070 Lenovo 92P1071 Lenovo 92P1074 Lenovo 92P1075 Lenovo 92P1087 Lenovo 92P1088 Lenovo 92P1089 Lenovo 92P1090 Lenovo 92P1091 Lenovo 92P1101 Lenovo 93P5002 Lenovo ASM 08K8192 Lenovo ASM 92P1064 Lenovo FRU 08K8193 Lenovo FRU 08K8195 Lenovo FRU 08K8214 Compatible Laptop Models: Lenovo ThinkPad R50-1829, Lenovo ThinkPad R50-1830, Lenovo ThinkPad R50 1831, Lenovo ThinkPad R50 1832, Lenovo ThinkPad R50 1833, Lenovo ThinkPad R50 1836, Lenovo ThinkPad R50 1840, Lenovo ThinkPad R50 1841, Lenovo ThinkPad R50 2883, Lenovo ThinkPad R50 2887, Lenovo ThinkPad R50 2888, Lenovo ThinkPad R50 2889, Lenovo ThinkPad R50 2894, Lenovo ThinkPad R50 2895, Lenovo ThinkPad R50E, Lenovo ThinkPad R50E-1834, Lenovo ThinkPad R50E-1842, Lenovo ThinkPad R50e-1844, Lenovo ThinkPad R50e-1845, Lenovo ThinkPad R50e-1846, Lenovo ThinkPad R50e-1847, Lenovo ThinkPad R50e-1848, Lenovo ThinkPad R50e-1849, Lenovo ThinkPad R50e-1850, Lenovo ThinkPad R50e-1858, Lenovo ThinkPad R50e-1859, Lenovo ThinkPad R50e-1860, Lenovo ThinkPad R50e-1862, Lenovo ThinkPad R50e-1863, Lenovo ThinkPad R50e-1870, Lenovo ThinkPad R50e 2670, Lenovo ThinkPad R50P, Lenovo ThinkPad R50p 1829, Lenovo ThinkPad R50p 1830, Lenovo ThinkPad R50p 1831, Lenovo ThinkPad R50p 1832, Lenovo ThinkPad R50p 1833, Lenovo ThinkPad R50p1836, Lenovo ThinkPad R50p 1840, Lenovo ThinkPad R50p 1841, Lenovo ThinkPad R50p 2883, Lenovo ThinkPad R50p 2887, Lenovo ThinkPad R50p 2888, Lenovo ThinkPad R50p 2889, Lenovo ThinkPad R50p 2894, Lenovo ThinkPad R50p 2895, Lenovo ThinkPad R50 Series, Lenovo ThinkPad R51 1829, Lenovo ThinkPad R51-1830, Lenovo ThinkPad R51-1831, Lenovo ThinkPad R51 1832, Lenovo ThinkPad R51 1833, Lenovo ThinkPad R51-1836, Lenovo ThinkPad R51 1840, Lenovo ThinkPad R51 1841, Lenovo ThinkPad R51-2883, Lenovo ThinkPad R51-2887, Lenovo ThinkPad R51-2888, Lenovo ThinkPad R51-2889, Lenovo ThinkPad R51 2894, Lenovo ThinkPad R51 2895, Lenovo ThinkPad R51e-1834, Lenovo ThinkPad R51e-1842, Lenovo ThinkPad R51e 1843, Lenovo ThinkPad R51e 1844, Lenovo ThinkPad R51e-1845, Lenovo ThinkPad R51e-1846, Lenovo ThinkPad R51e-1847, Lenovo ThinkPad R51e-1848, Lenovo ThinkPad R51e-1849, Lenovo ThinkPad R51e-1850, Lenovo ThinkPad R51e-1858, Lenovo ThinkPad R51e-1859, Lenovo ThinkPad R51e-1860, Lenovo ThinkPad R51e-1861, Lenovo ThinkPad R51e-1862, Lenovo ThinkPad R51e-1863, Lenovo ThinkPad R51e-1870, Lenovo ThinkPad R51 Series, Lenovo ThinkPad R52 1843, Lenovo ThinkPad R52 1844, Lenovo ThinkPad R52 1845, Lenovo ThinkPad R52-1846, Lenovo ThinkPad R52-1847, Lenovo ThinkPad R52-1848, Lenovo ThinkPad R52-1849, Lenovo ThinkPad R52 1850, Lenovo ThinkPad R52 1854, Lenovo ThinkPad R52-1858, Lenovo ThinkPad R52-1859, Lenovo ThinkPad R52-1860, Lenovo ThinkPad R52-1861, Lenovo ThinkPad R52 1862, Lenovo ThinkPad R52 1863, Lenovo ThinkPad R52 1870, Lenovo ThinkPad R52 Series, Lenovo ThinkPad T40-2373, Lenovo ThinkPad T40-2374, Lenovo ThinkPad T40 2375, Lenovo ThinkPad T40 2376, Lenovo ThinkPad T40 2378, Lenovo ThinkPad T40 2379, Lenovo ThinkPad T40 2668, Lenovo ThinkPad T40 2669, Lenovo ThinkPad T40 2678, Lenovo ThinkPad T40 2679, Lenovo ThinkPad T40 2686, Lenovo ThinkPad T40 2687, Lenovo ThinkPad T40P, Lenovo ThinkPad T40p 2373, Lenovo ThinkPad T40p 2374, Lenovo ThinkPad T40p 2375, Lenovo ThinkPad T40p 2376, Lenovo ThinkPad T40p 2378, Lenovo ThinkPad T40p 2379, Lenovo ThinkPad T40p 2668, Lenovo ThinkPad T40p 2669, Lenovo ThinkPad T40p 2678, Lenovo ThinkPad T40p 2679, Lenovo ThinkPad T40p 2686, Lenovo ThinkPad T40p 2687, Lenovo ThinkPad T40 Series, Lenovo ThinkPad T41 2373, Lenovo ThinkPad T41 2374, Lenovo ThinkPad T41 2375, Lenovo ThinkPad T41 2376, Lenovo ThinkPad T41 2378, Lenovo ThinkPad T41 2379, Lenovo ThinkPad T41 2668, Lenovo ThinkPad T41 2669, Lenovo ThinkPad T41 2678, Lenovo ThinkPad T41 2679, Lenovo ThinkPad T41 2686, Lenovo ThinkPad T41 2687, Lenovo ThinkPad T41P, Lenovo ThinkPad T41p 2373, Lenovo ThinkPad T41p 2374, Lenovo ThinkPad T41p 2375, Lenovo ThinkPad T41p 2376, Lenovo ThinkPad T41p 2378, Lenovo ThinkPad T41p 2379, Lenovo ThinkPad T41p 2668, Lenovo ThinkPad T41p 2669, Lenovo ThinkPad T41p 2678, Lenovo ThinkPad T41p 2679, Lenovo ThinkPad T41p 2686, Lenovo ThinkPad T41p 2687, Lenovo ThinkPad T41 Series, Lenovo ThinkPad T42 2373, Lenovo ThinkPad T42 2374, Lenovo ThinkPad T42 2375, Lenovo ThinkPad T42 2376, Lenovo ThinkPad T42 2378, Lenovo ThinkPad T42 2379, Lenovo ThinkPad T42 2668, Lenovo ThinkPad T42 2669, Lenovo ThinkPad T42 2678, Lenovo ThinkPad T42 2679, Lenovo ThinkPad T42 2686, Lenovo ThinkPad T42 2687, Lenovo ThinkPad T42P, Lenovo ThinkPad T42p 2373, Lenovo ThinkPad T42p 2374, Lenovo ThinkPad T42p 2375, Lenovo ThinkPad T42p 2376, Lenovo ThinkPad T42p 2378, Lenovo ThinkPad T42p 2379, Lenovo ThinkPad T42p 2668, Lenovo ThinkPad T42p 2669, Lenovo ThinkPad T42p 2678, Lenovo ThinkPad T42p 2679, Lenovo ThinkPad T42p 2686, Lenovo ThinkPad T42p 2687, Lenovo ThinkPad T42 Series, Lenovo ThinkPad T43 1871, Lenovo ThinkPad T43-1876, Lenovo ThinkPad T43 2668, Lenovo ThinkPad T43P, Lenovo ThinkPad T43P-2668, Lenovo ThinkPad T43 Series. 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