This one differs from those in that most use a brushed DC motor as a cheap generator, while here that function comes from a stepper motor feeding a rectifier pack and thence a DC-to-DC converter.

The charger is based of a relatively simple design, employing a 5.2 HP Kubota 4 stroke motor and a 12v car alternator ... and [Glenn] says that the charger/generator only needs to run about ...

How to make free energy motor generator self running machine Pennsylvania's governor says the Trump administration has unfrozen billions in grants and loans Jane Fonda’s powerful acceptance ...