CSE New Replacement Laptop Battery [9 Cell 11.1V 7800mAh] for SAMSUNG:Q318 AA-PB9NC5B,AA-PB9NC6B E152,E251,E252,E372,NP-E152,NP-E251,NP-E252,NP-E372,NT-E152,NT-E251,NT-E252,P210,P230,P330,P428,P430,P460,P480,P510,P530,Q210,Q230,Q310,Q318,Q320,Q322,Q428,Q430,Q520,Q528 - 12 Month Warranty Battery type: Li-ion; Capacity: 7800mAh/87WH; Cells: 9-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.