Quick way to empty your battery

Saw this tweet this week from @nixcraft, as a nice easy way to drain the battery of your machine.  You could if you were that way inclined be used as a trick to play on someone.

stress --cpu 4 --io 2 --vm2 --vm-bytes 128M

This will work on Linux/Unix/FreeBSD/OpenBSD/macOS laptops.  Not sure if you can get this or something similar for Windows, please leave a comment or mail me if you know.

I am always interested in feedback so please feel free to add any comments, or you can mail me  here.  If you would like to submit a quick tip  with full credit and links back to your site then also feel free to contact me.