Specifications: Capacity: 4400mAh Chemistry: Li-ion Voltage: 11.1V Cell: 6 cell Compatible Models: Compatible with Dell battery models K450N, J399N, C601H, CR693, D608H, M911G, P505M, PD685, UK716, 0F965N, HP277, HP287, HP297, WK371, WK379, WK380, WK381, WP193, GP252, GP952, G555N, GW240, GW241, GW252 RN873, RU573, RU583, RU586, RW240 X284G, XR682, XR693, XR694, XR697 312-0625, 312-0626, 312-0633, 312-0634, 312-0763, 312-0844, Compatible with Dell Laptop models Dell Inspiron 1525 Dell Inspiron 1526 Dell Inspiron 1545 Dell Inspiron 1546 Dell Inspiron 14 1440 Dell Inspiron 17 1750 Dell Vostro 500 Please carefully check your battery's Compatible Model & battery picture to ensure compatibility with your Laptop. What's in the box 1 X Astrum Replacement Laptop Battery for Dell Inspiron 1525 / 1520 Series