Bicycle Generator Built into Patio Table that comes apart

I attached the Voltmeter where the Battery typically would be. I did the little backwards pedal hiccup halfway through to show why a heavy flywheel sort of thing is great to have an a pedal powered generator, it helps get the spinning smooth. The reason the Voltage stays up after I finish pedaling is the inverter holding a bit of the charge in a capacitor somewhere I guess. The beep at the end is me turning the inverter on s