Product Parameters: Product size: about 8*9*17cm/3.15*3.54*6.69inMaterial: metal + plasticHand crank generator, the faster the shaking speed, the greater the power, the maximum power is about 20wCorresponding voltage and current: 3v / 6.6A, 5v / 4A, 6v / 3.3A, 9v / 2.2A, 12v / 1.6A, 15v / 1.3A Features: Power generation is effortless; Lightweight; mini metal case.The generator speed is 2000 rpm, and the power generation is about 20W.The faster the shaking speed, the higher the power generation.The faster the shaking speed, the higher the generator voltage.Hand generator output voltage must be greater than the set voltage to stabilize the outputPortable hand-operated power generation and rechargeable emergency power supply. In the absence of electricity without oil and electricity to generate anywhere in the world, human hand crank power can be used to supply various electronic products. It can be actively applied in fields, field operations, field trips, rescue operations, natural disasters, survival training, emergency communications, long-term power shortage, tourism, emergency power, etc. Product Features ❤ It can be actively applied in fields, field operations, field trips, rescue operations, natural disasters, survival training, emergency communications, long-term power shortage, tourism, emergency power, etc. ❤ Hand crank generator, the faster the shaking speed, the greater the power, the maximum power is about 20w ❤ Product size: about
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