Notebook & Laptop Computer Original Brand: Asus Chemistry: Lithium Ion Voltage: 7.4V Nominal Capacity: 6600mAh Brand: Master (this battery is a compatible alternative to that of the original brand) Width: 55mm Height: 40mm Length/Breadth/Depth: 140mm Extended capacity 6 cell battery compatible with Asus Eee PC. Replaces battery models A22-700, 7BOAAQ040493.