Genuine 65Wh VV0NF Battery For Dell Latitude E5540 E5440 451-BBIE WGCW6 N5YH9
Battery Specs:

• Brand: NEW
• Battery Type: with Part number:(Ctrl + F for fast search your laptop part numbers)
  VVONF VJXMC 0M7T5F 0K8HC 1N9C0 7W6K0
  F49WX NVWGM CXF66 WGCW6 N5YH9Compatible with:(Ctrl + F for fast search your laptop part numbers)
  For Dell Latitude E5540
  For Dell Latitude E5440NOTE:Please check the model number before you place order! Our compatible model list is not complete,if you can not find your laptop model in it please contact us .How to confirm that the battery is suitable for your laptop?
  Method 1: Use System Information to find your laptop model
  Step 1: Press Windows + R to open Run window.Step 2: Input \"msinfo32\" in the empty box and click OK to open System Information.Step 3: Keep in the System Summary section, and you will find the System Model item in the right pane.
  Method 2: Remove Battery from Laptop to find your laptop battery part number
  Step 1: Switch off the laptop and unplug the power cable in case of electric shockStep 2: Remove the back panel with the screwdriver. You should to this with care avoiding any harm to the laptop components.Step 3: Disconnect the cable connected to the battery and then take out the battery. After that, you can check the specifications of your battery.