New Lenovo Battery 10.8V - 5200mAh/56Wh - 6 Cells Black Colour. Compatible Model number Lenovo ThinkPad Edge E530 E430 E535 B580Compatible Model numberCompatible Part number Product Number: BAT-LEG580-HC, 121500047, 121500049, 121500052, 45N1042, 45N1043, 45N1048, 45N1049, 45N1051, 45N1052, 45N1054, 45N1055, ASM 45N1048, L11L6F01, L11L6R01, L11L6Y01, L11M6Y01, L11N6R01, L11N6Y01, L11P6R01, L11S6F01, L11S6Y01