BRTONG New Laptop battery [Li-ion 14.4V 2600mAh] for HP Pavilion Sleekbook VK04 HSTNN-YB4D H4Q45AA 694864-851 695192-001 Pavilion Ultrabook 14 15 Series - 12 Months warranty, Battery type: Li-ion; Capacity: 2600mAh/37WH; Cells: 4-cell; Voltage: 14.4V. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support, 12-month hassle-free warranty. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Operation time: the actual operation time will depend on how much electricity is required by the device and how you use it.