Look inside a battery to see how it works. Battery Voltage look inside a battery to see how it works. Select the battery voltage and little stick figures move charges from one end of the battery to the other. A voltmeter tells you the resulting battery voltage.

Sample Learning Goals
1. Do the small blue spheres represent positive or negative charges?
2. Which side of the batterey is labeled positive, and which side is negative?
3. How can you determine which side of the battery is positive and negative just by the location of the blue charges?

Requirements:
* Java

The license of this software is Freeware, you can free download and free use this calculator software.