Amazing handheld electricity generator! Create power without batteries! Great for classroom physics teaching demonstrations. Simply turn the handle, the electricity generated makes the bulb bright.
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Bicycle fitness generator pedal generator training table cycling table charging battery exercise hand crank power generation
Aliexpress UK
Max power 20W. 1 x Crank Generator. -Small and exquisite, convenient to assembly, easy to carry, and with internal power storage function. Rotating speed 2000rmp/min.
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Bicycle Fitness Generator Pedal Generator Training Table Cycling Table Charging Battery Exercise Hand Crank Power Generation
Aliexpress UK
Type: Manual Generator. 1 Pc x Manual Generator. Small and exquisite, convenient to assembly, easy to carry, and with internal power storage function.
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HIGH SPEED & GREAT POWER: The the hand crank speed, the greater the power. The maximum power is about 20W. Solid structure, low noise, stable working performance. STRONG POWER GENERATION: High power USB charging generator, super generator, durable and powerful.
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This toy also employs the use of a gear system to increase the rotation of the motor and thus, get that LED to light up brighter at the expense of increased labour of the operator. The instructions are in Chinese, but there are pictures, and it's fairly self-explanatory.
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RARE GENUINE WW2 US ARMY AIR FORCE BENDIX MODEL 3971-5 HAND CRANK GENERATOR. There are no date marks visible but it will almost certainly be WW2 manufacture.
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Specification: Material: Metal Color: Blue Size: approx 125*80*85mm/4.92" X 3.15" X 3.34"(L*W*H) Voltage/Current: 3V/6.6A, 5V/4A,6V/3.3A, 9V/2.2A,12V/1.6A, 15V/1.3A Max power: 20W Power generator strong A variety of interfaces, are free to choose High-quality shaft, saving time and effort Small size, easy to carry Package included: 1x USB Generator.
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