USB Hand Crank Emergency Dynamo Charger ,Generator Camping Portable Power Supply, Portable Emergency Power Supply for Phones Laptops Radios in Off Grid or Survival Settings

Last for Years: The metal shell gives it excellent performance of waterproof, shockproof, and salt/fogproof so that it can generate power normally even under high altitude and low-temperature environments. Efficient: Compared with traditional large and heavy generators, this high-performance permanent magnet generator with a maximum power of up to about 20W is environmentally friendly, saves energy significantly, and ensures efficient performance. Instant Power Supply: You can generate power immediately by hand cranking when you need it, doesn't need to wait, suitable for quick power supply needs in emergencies. Practical Tool: It is equipped with multiple output ports, and the maximum voltage of the direct output terminal is about 28V, it can be used as a field emergency power supply, charging cell phones, radios, laptops, and many other convenient electronic devices. Compact and Portable: 5*3.39*3.46in compact size is easy to carry and store, suitable for outdoor activities or emergency use. Simple Maintenance: The simple structure and metal casing reduce its maintenance cost, you simply wipe the surface dust off with a soft cloth. Safe and Reliable: It adopts human power to drive and multiple heat-dissipation holes can dissipate heat quickly, making it safe and reliable to use.