Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch step-by-step as we cut lemons, prepare copper and aluminum electrodes, and ...

Each lemon can generate around 1.5V and, in 2021, a team coordinated by the Royal Society of Chemistry created a record-breaking giant lemon battery using nearly 3000 lemons, producing over 2300V.

Explanation You feel a slight tingle when you touch the exposed ends of each wire to your tongue because the coins react with the acid in the lemon creating a small electrical current. Discover more ...