Lead Acid Storage Battery
Sulfuric acid is hazardous. Goggles, apron, glves should be worn.
Two lead plates are suspended in a solution of sulfuric acid. The battery is charged rapidly by a DC power supply. After a couple minutes of charging, the battery is discharged through a bulb. The battery may be charged for different lengths of time, and the bulb will light correspondingly long.
|flashlight bulb and DC power supply.|