Alliboo Laptop Replacement Battery for HP Pavilion Sleekbook VK04 HSTNN-YB4D H4Q45AA 694864-851 695192-001 Pavilion Ultrabook 14 15 14t 14z 15t 15z Series Li-ion 14.4V 2600mAh Battery Type:li-ion; Voltage:14.4V; Capacity:2600mAh; 4 cell 100% New from Manufacturer, High Performance; HP Pavilion Sleekbook 14 14t 14z 15 15t 15z Series Replacement Battery. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety Operation time: Around 2.5 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. Warranty: 12 Months warranty, 30 days money return guarantee,24 x 7 email support.