TIL a 9-volt battery is often just six 1.5-volt batteries taped together. Mind blown. http://pic.twitter.com/yo1ejnvfzZ
— Chris Kohler (@kobunheat) March 25, 2016
from Twitter https://twitter.com/kobunheat
March 25, 2016 at 10:19PM
via IFTTT
TIL a 9-volt battery is often just six 1.5-volt batteries taped together. Mind blown. http://pic.twitter.com/yo1ejnvfzZ
— Chris Kohler (@kobunheat) March 25, 2016
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