Portable hand power generator with single cranking handle, DC output, voltage adjustor, useful emergency powr supply

Hand dynamo power generator with single handleUsed as emergency power and typically charging batteryApply Nd-Fe-B brushless motorMax. output power up to 50wWith voltage adjustor for DC 3,5,6,9,12,14,16,18,20,24,and 28VCurrent & thermal overload protectionLightweight and compact size, easy to carryHighly reliable and long lifetimeBinding belt is includedRed LED indicatorRated power: 12-20wOutput voltage: DC3-28VRated current: 0.7-3ARated speed: 90rpmOutput ripple ratio: 0.5-1.2%Output ripple voltage: 100-300mVOutput cable: 2x0.5mm2, 1.2m in lengthWork temp.: -40 to 125ºCDimension: 113*65*39mm

Single Handle Cranking Hand Power Generator - DC Output 3-28V adjustable