Powerforlaptop&reg; Battery For Asus X551 X551C X551CA X551M X551MA Series A41 D550 0B110-00250100 A31N1319 A41N1308 Battery type: Li-ion; Capacity: 38Wh; Cells:4-cell; Voltage: 14.8V;Capacity:2600mah. High quality grade "A" cells. Charges quickly. Longer discharge time. Steady output and low power consumption. More than 500 times charge-discharge cycles.All products are Certified by CE ROHS UL1642 FCC for safety. Operation time for standard batteries(4-cell 2600mah): Around 2-3 hours the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support 12-month service. Compatible Models: For ASUS X451 X551 X451C X451CA X551C X551CA A41 D550 Series 0B110-00250100 A41N1308 A31LJ91 A31N1319 X45LI9C YU12008-13007D YU12125-13002 Series replacement notebook laptop battery batteries 12-months hassle-free warranty service. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.