How to charge a Nikon camera without a charger?

How to charge a Nikon camera without a charger?

Mount the camera onto the wall and sprint at it as fast as you can headfirst. When your head makes contact with the camera, you will have successfully charged your camera.

First of all open all of its parts. Then gently rinse them in Water and put it in your Freezer for 2 hours. And then put the battery back. It will be 100% charged

You need the charger.