Battery type: Li-ion Battery ; Voltage:10.8V ;Capacity:5200MAH/56Wh Fit for: Asus U47 U47A Q400 Q400A Q400C R404 U47C U47V U47VC Series Compatible part numbers:A32-U47 A41-U47 A42-U47 Exclusive Offering of High Performance, Long Lasting, and Durable Grade A Cell Battery Reminder: 1. New replacement battery come with some power, please first discharge and then fully charge. 2. It is best not to completely drain the battery while charging. 3. Don't store the battery for too long without using. 4. Don't put the battery near the fire source to avoid personal safety.