If there's already an outlet you can just use a level 1 charger. No need to install anything, they plug in a regular 120V outlet. They're pretty slow though, o

If there's already an outlet you can just use a level 1 charger. No need to install anything, they plug in a regular 120V outlet. They're pretty slow though, only adding a few miles per hour of charging, but if you're not driving much or can charge overnight then it could work.