Batterytec&reg; Laptop Battery for Dell Latitude E5420 E5430 E5520 E5530 E6420 E6430 E6520 E6530,04NW9 2P2MJ 4YRJH 8858X 911MD CWVXW DHT0W HCJWT KJ321. [10.8V 4400mAh, 1 Year Warranty] Battery Type: Li-ion, Cells: 6-cell,Capacity: 4400mAh; Voltage: 11.1V. 100% New Manufacturer. To 500 charging cycles during the lifetime of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support, 12 months warranty without problems. Class A cells provide fast loads and low power consumption, chip protection offers both security and stability.