National High Magnetic Field Laboratory
Magnet Academy: Simple Electrical Cell
This is a Java tutorial showing the simple voltaic (or galvanic) electrical cell, which is the most basic type of "wet" cell and demonstrates the fundamental chemistry behind batteries.
National High Magnetic Field Laboratory
Magnet Academy: Daniell Cell
English chemist John Frederick Daniell came up with a twist on the simple voltaic cell that resulted in a longer-lasting source of power.