Be prepared for anything with this high-performance hand-crank generator! Perfect for camping, outdoor activities, and emergency situations. This hand-cranked dynamo provides USB charging for phones, computers, and power banks. A reliable power source when you need it most. Features: Hand-cranked generator: A lifesaver in emergencies. Eco-friendly and energy-saving with multiple interfaces. Multifunctional: Charges mobile phones, USB lights, USB fans, and power banks. Durable metal casing with non-slip pads for stability. Retro design that saves effort and time. Compact and portable: Easy to assemble and carry. No internal power storage. Ideal for field use, rescue operations, natural disasters, survival training, and more. Technical Data: Material: Metal Color: Blue Maximum Power: 20W Speed: 2000 RPM Voltage/Current: 3V/6.6A, 5V/4A, 6V/3.3A, 9V/2.2A, 12V/1.6A, 15V/1.3A Output Voltage: 28V maximum Product Size: 19.5 * 17 * 8 cm / 7.68 * 6.69 * 3.15 inches Package Weight: 820 g / 28.92 oz Note: The higher the cranking power, the higher the power and voltage generated. The generator's output voltage must be higher than the set voltage to match the output. Set the voltage to 5V before using the USB interface. Charging time depends on the phone's battery capacity (approximately 4 hours for a 2000 mAh battery). Primarily designed for charging portable devices such as low-power communication stations, walkie-talkies, laptops, PDAs, mobile phones, cameras, digital cameras, CD players, MP4s, MP3s, portable mobile TVs, DVDs, radios, lighting equipment, flashlights, power tools, and various measuring instruments. Can directly charge lithium batteries, nickel-metal hydride batteries, lead-acid batteries, and other battery types. Packing List: 1 * Hand-Cranked Generator