ZWXJ Laptop Battery VVONF (11.1V 65W) for Dell Latitude E5440 E5540 N5YH9 VJXMC 0M7T5F 0K8HC 1N9C0 7W6K0 F49WX NVWGM CXF66 WGCW6 VV0NF Brand New from Manufacturer. Rechargeable Up to 500 times over life of battery. Battery type: Li-ion; Capacity: 65Wh; Voltage: 11.1V; Cells: 6-cell CE-/RoHS-/FCC- Certified and Built-in circuit protection ensure both safety and stability. Replacement for Dell Latitude E5440 E5540 VVONF N5YH9 VJXMC 0M7T5F 0K8HC 1N9C0 7W6K0 F49WX NVWGM CXF66 WGCW6 100% CUSTOMER SATISFACTION GUARANTEE: We believe in Quality and Customer Service, and our top priority is to make you happy. If for whatever reason you are not fully satisfied please CONTACT US and well guarantee to help. We have 12 months warranty on our products. Voltage11.1V Capacity65Wh ColorBlack Battery type : Li-polymer Battery