Huh. On the other hand, Harry was able to use his car battery to waste Draco’s shield bubble. It could be only sufficiently complicated stuff, rather than just a brute current.
Might be useful if they get kidnapped out of Hogwarts though, like the portkeys.
He bought a bunch of stuff at the hardware store. But nothing beyond that. One can imagine giving them Muggle comms and possibly weapons.
Magic in the Potterverse(as is most modern fantasy settings) is incompatible with modern technology. See http://harrypotter.wikia.com/wiki/Electricity
Huh. On the other hand, Harry was able to use his car battery to waste Draco’s shield bubble. It could be only sufficiently complicated stuff, rather than just a brute current.
Might be useful if they get kidnapped out of Hogwarts though, like the portkeys.