TPE 6 Cells New Laptop Battery for Samsung Q318 Q210 Q310 Series NP-Q318E Q320 R458 R580 R420 R430 Q322 R468-DS03 AA-PB9NC6B AA-PB9NS6B AA-PB9NC6W AA-PB9NC2B [ 5200mAh 11.1V 58Whr ] Battery type: Li-ion; Capacity: 5200mAh/87WH; 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 for standard batteries(6-cell, 4400mah): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.