The 11.1V 5200mAh A32-K53 laptop battery is made of high-quality lithium-ion battery cells, which has been tested to be the brand new and totally compatible with the original manufacturer specifications meets or even exceeds the original battery performance. With high-quality battery cells and materials, your laptop will run longer and more secure. Moreover this battery has no "memory effect" and you don’t need to discharge before each charge. It is more convenient for you to use our replacement ASUS A32-K53 batteries.