Customer ServiceRest assured with 30 days Refund and 12 months Warranty; Note: return windows will close after one month, dont worry about it, you can click on seller store on right corner ask a question and contact seller directly Basic DetailsItem Model: MG04XL; Battery Type: Li-ion; Voltage: 7.7V; Capacity: 40Wh; Battery Color: Black Compatible P/N MG04XL / MG04 / 812060-2B1 / 812060-2C1 / 812205-001 / HSTNN-DB7F Compatible Laptop ModelsHp Elite x2 Series; Hp Elite x2 1012 Series; Hp Elite x2 1012 G1 Series NoteThe package includes: 1*battery and 1*Instructions. Packaged by sponge or bubbles to prevent damage. Before purchasing, please open the back cover of the laptop to confirm the battery model and shape.