Introduction: Battery Parallel, Series Switching
Using miniature toggle switch 6 pin to switch the batteries are parallel and series ..
I use two 4V batteries . you can use any voltage batteries.
Step 1: Components
2 Batteries and a miniature toggle switch 6 pin
Step 2: Connect Battery Terminals to the Switch
Connect two battery terminals to the switch like this showing the picture.
Step 3: Testing
Finally I tested my younger brothers toy car.