Puredick High Performance Laptop Battery for Dell Inspiron 13R (N3010) 14R (N4010) 14R (N4110) 15R (N5010) 17R (N7010) M5110 M4110 M501 Series -12 Months Warranty[Li-ion 6 Cells 11.1V 5200mAh / 58Wh] Battery Type: Li-ion || Voltage: 11.1V || Capacity: 5200mAh/58Wh|| Color: Black||Cells: 6-cell 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Operation time:Same Battery life with Brand new original Dell battery.In reality, this will depend on the amount of electricity required by the device and how you use it