Manual Crank Generator Model F20 Compact, reliable handpowered generator for emergency and offgrid charging Why this unit matters Provides immediate, mechanicaltoelectric power without batteries or fuel, making it useful for emergencies, power outages, outdoor activities, and field work. quality shaft core reduces effort and improves energy transfer efficiency, so cranking requires less strain. Nonslip feet keep the unit stable during operation for safer, steadier use. Key features Model: F20 Color: Blue Material: Metal Style: Modern; Shape: Rectangular; Mount type: Freestanding Assembly required: Yes. Includes handle for attachment. Operation mode: Manual crank Maximum direct output voltage: Approximately 28V Noload output voltage and current options: 3V/6.6A, 5V/4A, 6V/3.3A, 9V/2.2A, 12V/1.6A, 15V/1.3A. Actual current depends on the capacity and charge state of the connected device battery. Maximum power: About 20W Product size: 12.7 x 8.6 x 8.8 cm (5 x 3.39 x 3.46 in) Package size: 19 x 10 x 12 cm (7.48 x 3.94 x 4.72 in) Gross weight: 0.82 kg (1.81 lbs) What is included 1 manual crank generator 1 handle 1 English manual Practical capabilities and compatibility Multiple output ports and a direct output voltage allow charging of portable electronics such as cell phones, radios, and some laptops and tablets, depending on device power requirements and connectors. Suitable as a field emergency power source for shortterm charging and powering low to moderatepower devices up to about 20W. Designed for manual operation wherever electrical power is unavailable. Use scenarios Emergency home power outage: Use the generator to charge a phone or radio for communications and updates when mains power is down. Outdoor and camping: Provide ondemand charging for lights, small fans, or communication devices during multiday trips without electrical access. Roadside or travel emergency: Keep a mobile device operational to call for help or access navigation when a vehicle battery fails. Safety and operation notes Read the instruction manual completely before use and follow all included safety instructions. The device does not store electricity internally; it produces power only while the handle is cranked. Crank the generator clockwise. Do not crank the handle at speed when connecting electrical appliances smaller than 3W. Actual output current will vary with the battery capacity and condition of the connected device. This compact, metal manual generator offers a straightforward, robust solution for shortterm, ondemand power needs in situations where electrical supply is unavailable.