Battery - CR1620 - https://amzn.to/2qLrr4l

Here is a quick little video on how to change the key fob battery in your Mitsubishi Key Fob. This particular fob came from a Outlander Sport. Hope this was helpful!

2010-2019 Mitsubishi Outlander Sport

This remote Also fits:

14 Mitsubishi Mirage (build date up to 3/2014)
08 09 10 11 12 13 14 15 16 17 18 Mitsubishi Outlander
11 12 13 14 15 16 17 18 Mitsubishi Outlander Sport