JYF&trade; (Y9N00 47wh 6Cell) Laptop Battery for Dell XPS 12 XPS 13 XPS 13-l321x XPS 13-l322x XPS L321x C4K9V 3H76R Y9N00 489XN Notebook Battery type: Li-ion; Capacity: 47wh; Voltage: 7.4V. 100% NEW from manufacturer; Up to 500 recharge cycles over the life of the battery Superior Quality: Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and reliability. Built-in circuit protection. voltage or temperature ensures safety and extended battery life. 24 x 7 email support; 12-month hassle-free warranty