BRTONG New Laptop Battery for Dell Inspiron 910, Inspiron Mini 9, Inspiron Mini 9n, MINI9, Vostro A90, Vostro A90n Series Laptop Notebook Computer - 12 Months Warranty Compatible Models: Dell Inspiron MINI9, Inspiron MINI910, Inspiron Mini 9n, Vostro A90, Vostro A90n Battery type: Li-ion; Capacity: 2600mAh/38WH; Cells: 4-cell; Voltage: 14.8V. Operation time: Around 1.5-2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. About 500 recharge cycles over the life of the battery. Certification: Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety. Warranty: 24 x 7 email support, 30 days money return guarantee, 12 Months warranty.