Cited as a reference
Ten Car Battery Presentation at Calgary Mini Maker Faire
Why people recommend it
ElectroBOOM touches about 120V DC from stacked car batteries at a maker faire, cited in threads on how dangerous DC is to touch compared with AC.
Watch for: the live demonstration from about 10:54; not one to copy
In their words
He has another video of a live demonstration, hooking up multiple car batteries to produce 120V DC and touches them:
Gabriel Luci on electronics.stackexchange.com, May 2020. CC BY-SA.
Excellent do not try this at home videos can be found online.
Jeroen3 on electronics.stackexchange.com, Jul 2018. CC BY-SA.
Ten Car Battery Presentation at Calgary Mini Maker Faire | ElectroBOOM | YouTube (still at 12:45 below)
Tim Williams on electronics.stackexchange.com, May 2024. CC BY-SA.