The Sinewave Cycles Revolution is a bicycle dynamo powered USB charger. It converts electricity generated by hub and bottle dynamos to USB output. The Revolution allows users to charge USB-powered devices while cycle touring, bikepacking or on the daily commute. The Revolution is made in the USA. Frequently Asked Questions Installation Instructions Unlimited Power For:Cell PhonesGPSBattery PacksRechargeable HeadlightsRechargeable SpeakersAny USB-powered device! Features:Best in class efficiencyHigh Speed Overload ProtectionSimple InstallationShock and vibration toughenedWaterproofGold-plated USB connector won't rust or corrode Specifications:Starts charging at 5.5 km/hFull charging at 14.4km/hMax current: 1 AmpAlso works with DC input up to 52VWeight: 37 gramsDimensions: 54mm x 35mm x 14mmWire length: 91 cm) (contact us if your setup requires a longer wire)Wire ends: Stripped wire Warranty:1 year
