Egoway New 9 Cells High capacity Laptop battery for Dell Latitude E6420 E6430 E6520 E6530 E5420 E5520 E5430 E5530, fits: 04NW9 312-1163 312-1242 312-1310 312-1311 451-11947 4YRJH 8858X 8P3YX 911MD HCJWT KJ321 M5Y0X NHXVW P8TC7 P9TJ0 R48V3 PRRRF RU485 T54F3 T54FJ UJ499 YKF0M X57F1 [Li- ion 11.1V 6600mAh] Battery Type: Li- ion; Voltage: 11.1V; Capacity: 6600mAh; 9 Cell. 100% New from Manufacturer, High Performance; E64200 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.