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yusen
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USB Hand Shake Crank Power Generator Emergency Phone Charger
Description
Portable hand-cranked generator, can be used as emergency power supply. strong power generation. Solid structure, low noise, stable working performance. The faster the hand crank speed, the greater the power. The maximum power is about 20W.
Features
- Color: As shown.
- Material: Metal.
- This generator is very energy efficient, does not require unnecessary charging, and can also save you electricity fee. Very environmentally friendly and safe to use at home.
- Manual crank generator suitable for being used in field operations, field trips, rescue operations, natural disasters, survival training, emergency communications, long-term power.
- Solid structure, low noise, stable working performance. Compact size, light weight, easy to use.
- The faster the oscillation speed, the larger the power generation, the faster the oscillation speed, the higher the generator voltage, the larger the power generation.
- The perfect workmanship will give you an excellent use experience.
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