FOR DELL INSPIRON MINI 9 910 10 10V 1010 1011 12 1210 CMOS BIOS BATTERY 2 pin
2 Pin Lenovo HP Acer Dell Sony Asus Toshiba IBM Advent Laptop Bios Cmos Battery. CR2032 Lithium Button-cell Battery with PVC Wire Connector; Capacity of 220mAh. You can find the 3 pin version at the link below.