2 Pin Long Thin Lenovo Acer HP Dell Asus MSI Laptop RTC BIOS CMOS Battery CR2032
CR2032 Lithium Button-cell Battery with PVC Wire Connector; Capacity of 220mAh
Please note: this battery uses the less common 2 pin JST SHR-02V-S-B connector (please see photos) but different laptops may require either a differently shaped connector or a 3 pin connector