CSE New Laptop Battery for HP Probook 4530s 4330s 4331s 4430s 4431s 4435s 4436s 4535s Series Laptop Notebook Computer [6-Cell 5200mAh 11.1V] - 12 Months Warranty Battery type: Li-ion; Capacity: 5200mAh/58WH; Cells: 6-cell; Voltage: 11.1V. 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.