CSEXCEL New Laptop Battery for DELL Inspiron 11z Mini10 Mini 1011 Mini 10v MINI 10 series laptop battery Original battery Code : 312-0867, 312-0931, 312-0935, F144M, H766N, J590M, J658N, M457P 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.