After getting
charge the battery...
*** Spoiler - click to reveal ***... by taking the battery out of Red Edison's shelf. Go outside and to the right to Benjamin Franklin.
If Franklin isn't on the field, you might have to give him the lab coat first that you get from
When you hold the kite, open the inventory and put the battery in the kite.
When Benjamin Franklin shouts "Now!" you push the kite (make sure you point the cursor at the kite, and not the pocket in the middle of the kite).
When Franklin left the scene, take the fully charged battery...
... and go to the outhouses.
Instead of using the battery with the power plug to the left of the Chron-O-John, use the battery with the Chron-O-John itself to unlock that achievement.