1Manual crank generator, nice helper under emergent circumstance. 2Energy saving, environmental friendly, and with multiple interface type. 3Multifunction, can charge for cellphone, USB night light, USB fan, mobile power. 4Metal outer case more sturdy, antislip foot pad more stable, old bearing, effortless and timesaving. 5Compact size, convenient to assembly, easy to carry, not with internal power storage function. 6Practical, suitable for used in the field, field operations, field trips, help operations, natural disasters, survival training, emergency communications, longterm power shortage, tourism, etc. Condition: 100% Item Type: Hand Crank Generator Model: F20 Material: Metal Color: Blue Maximum 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 Output Voltage: Maximum 28V Weight: Approx. 800g 1 xHand Crank Generator 1 xRocker 1.Thefastertherockingpower,thehigherofthegenerationpowerandvoltage.2.Shakethegeneratoroutputvoltagemustbebiggerthanthesettingvoltagetoregulatetheoutputvoltage.3.Pleaseadjustthevoltageto5VbeforeyouuseUSBinterface.4.ThecrankgeneratorcanchargeforAndroidphone,notforIOS.5.Thechargingtimemainlydependsonthebatterycapacityofphone.Ifthebatterycapacityofmobilephoneis2000mAh,itwouldtakeabout4hourstofullcharge.6.Mainlychargeforportableinstrumentssuchaslowpowercommunicationstation,walkietalkie,notebookcomputer,PDA,mobilephone,camcorder,digitalcamera,musicCD,MP4,MP3,portablemobileTV,DVD,radio,flashlightlighting,allkindsoflamps,powertools,automobilesandvarioustypesofmeasuringinstruments.Canchargedirectlyforlithiumbattery,nickelmetalhydridebattery,leadacidbatteryandothertypesofbattery.