Egoway 7800mAh/87Wh Laptop Battery for Dell Inspiron 13R (N3010) 14R (N4010/N4110) 15R (N5010/N5110) 17R (N7010) Series, Vostro 3450 3550 3550n 3750, P/N J1KND 312-0233 383CW YXVK2 W7H3N J4XDH 9TCXN Equipped With Higher Quality Cells yet has Same Size & Shape as an OEM Battery ; Battery Type: Li-ion; Voltage: 11.1V; Capacity: 7800mAh; 9 Cell. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety Contain with Durable cells; Low power consumption IC design; Tested with strict quality control standards; Direct warranty from Manufacturer. 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. Warranty: 18 Months, 30 days money return guarantee, 24 x 7 email support.