This seven dollar hand crank generater or free energy phone charger is put to the test. The voltmeter shows output, current and voltage without load. The we test it on a cellphone to see how long it takes to charge. We take the unit apart and examine the circuit and motor as well as the wiring and gears used to generate DC power.
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Негізгі бет Ғылым және технология Ebay generator | The truth revealed
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