Phone Giant - Can a potato light up a bulb? Yes, a potato(e) can be used to power a lamp. ... The zinc and the copper are the anode and cathode terminals
SCIplanet - Potato Battery
Busted: No, a boiled potato won't power a lightbulb – The Prepared
tilt potato light bulb which lights Stock Footage Video (100% Royalty-free) 1631485 | Shutterstock