OMCreate Battery Compatible with Asus A31N1319 X551C X551 X451C X451 D550 Series, fits P/N A41N1308 A31LJ91-12 Months Warranty [Li-ion 4-Cell] Battery type: Li-ion; Voltage:14.8V; Cells: 4-Cell. Compatible Part Numbers: 0B110-00250100 / A41N1308 / A31LJ91 / A31N1319 / X45LI9C / YU12008-13007D / YU12125-13002. Compatible Models: ASUS X451 / X551 / X451C / X451CA / X551C / X551CA / A41 / D550 Series. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 12 months hassle-free warranty service.We provide best prices possible on the highest quality products and the most popular brands. Please check if this battery is compatible with your computer before purchasing. Part numbers of compatible batteries and Computers are listed as following.