Crank Generator Portable Manual Generator 3v/5v/6v/9v/12v/15 Volt Generator Emergency Generator for USB Mobile Phone Computer Charging$$Garden & Patio

Max power: 20W. Rotating speed: 2000rmp/min. Voltage/Current: 3V/6.6A, 5V/4A,6V/3.3A, 9V/2.2A,12V/1.6A, 15V/1.3A Designed to be cranked clockwise only. The faster the rocking power, the higher of the generation power and voltage. According to our test, rotate the handle 2-3 Circle per second, then the phone could be charged stable Portable, Compact Hand Crank Generator Measures: 4.92" X 3.15" X 3.34"(L*W*H). Easy to carry Solid construction and sturdy metal outer case. 4 anti-slip foot pad makes it more stable when rotating the generator handle Note: This generator doesn't contain battery, therefore, it doesn't support internal power storage function. Make sure the Voltage for the USB charger needs to be at 5v.