Exxact Parts Solutions&reg;ASUS Compatible High Capacity Generic Replacement Laptop Battery for A41-X550-R510 A450L X550C Series 14.4V 5200mAh Battery Type: Li-ion; Capacity: 5200mAh; Voltage: 14.4V.Cells: 8-cell; Battery built by highest quality materials including grade-A brand-new cellswhich ensures fast charging and low power consumption. Battery meets and exceeds OEM specifications and lasts longer hours. Battery package includes: One brand-new generic replacement battery for ASUS. Battery offered in this listing is CE & RoHS certified, so you can shop with a peace of mind.