Make sure you keep an eye on the battery life when flying your drone over water!
In the rare case that you ever get stranded with only a battery and some steel wool.
Samsung Battery Explodes When Hit With Hammer, Don't try this at home, kids.
Legally, this is how they need to ship batteries.
What kind of spark can you generate when you connect 244 9 volt batteries together in series?
Watch what happens to the battery!
Check out this cool invention.