Egoway 9 Cells High Capacity New Laptop battery for Dell Latitude E6420 E6520 E6530 E5420 E5520 E5430 E5530 [Li- ion 11.1V 6600mAh] Battery Type: Li- ion; Voltage: 11.1V; Capacity: 6600mAh; 9 Cell. 100% New from Manufacturer, High Performance; E6420 E5420 Series Replacement Battery. 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. Warranty: 12 Months warranty, 30 days money return guarantee,24 x 7 email support.