You may have got an old battery and tried attaching an alligator lead to short it out and see what happens. You may have even got a couple of batteries and coupled them together and then attached the lead and seen you get a bit larger spark. But what if you get hold of a whole lot of batteries, 244 to be precise and link them all together and then short them out? Well check it out to see as this is exactly what someone did.
[Image Courtesy of ScienceDump]
The person put all 244 batteries in rows connected together and they came to around 2000 volts dc on the meter, check out what happens when they are shorted out and when an LED light was attached to the batteries.