High Capacity Laptop Battery Fujitsu FPCBP94 9 Cells 10.8V 6600mAh/71wh, compatible partnumbers: FUJITSU: FPCBP94 , FPCBP94AP, fit models: FUJITSU LifeBook N3500 LifeBook N3511 LifeBook N3530 LifeBook N3510 Series LifeBook N3520 High Quality Laptop Battery 9 Cells, Li-ion, 10.8V 6600mAh/71wh - black 1 Year warranty