USB Dynamo Powered Charging Device + Fitting
We have a few options here for a dynamo powered USB charging device. The Sinewave Reactor, the Sinewave Revolution, the VeloCharger and B&M's new K-Werk. Please also see the Sinewave Beacon and Son Ladelux in headlights for a dynamo front light with integrated USB charger.
N.B. these are only available to purchase when buying a Stanforth bike
N.B. these are only available to purchase when buying a Stanforth bike
Busch+Müller K-WERK Device Charger Powerbank
New from Busch+Müller the K-Werk is compact yet very effective, offering a sustainable power supply for on the go. Connected to the dynamo it is ideal for charging devices on tour. Where the Sinewave can sometimes struggle to charge a power hungry device like an iphone, the B&M K-Werk with it's in built battery enables the device being charged to seemlessly switch to the K-Werk if not enough power is being generated from the dynamo, for example when at traffic lights or cycling slowly.
Key Features:
Battery pack 7.2 V, 5,000 mAh
Rechargeable via dynamo
Powerbank function
USB connection
Stable, low fluctuation power output
Splash and rainwater proof
Battery capacity is displayed on 10% incriments at charging and discharing points
Charge time via a dynamo (minimum 15 Km/h without power bank active): approx 10 hours
Charge time with the Busch+Müller supplied unit: approx 5.5 hours
Charge time with an alternative 3rd party charger / USB port: up to 14 hours
Height: 40 mm
Length: 107 mm
Width: 65 mm
Weight: 275 gStarting with the Sinewave Reactor:
The more we use Sinewave products the more we are impressed. Sinewave seem to have the edge over other brands we have tried in their level of waterproofing. Although the top cap USB port is exposed it is designed to be waterproof, for this reason it is our preferred top cap style USB charger.
The Sinewave Reactor takes the performance of the Revolution dynamo-powered USB charger (detailled below) and shrinks it into a package that fits above the star-fangled nut in a threadless steerer tube, with a pass through for the 6mm bolt. The only visible part is a custom CNC-milled stem cap holding the USB connector. The cap is only 9.8mm tall and available in silver, black, red and blue. This is only available to buy if your Stanforth bike will have an ahead stem (non carbon fork)
Sinewave Cycles Revolution USB Dynamo Powered Charging Device
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 whilst they ride.
This does not sit in the steerer tube like the Plug III. The Revolution can either be cable ties to the frame, bars or stem or sit in a frame or bar bag.
The Revolution is made in the USA
Unlimited Power For:
- Cell phones
- GPS
- Battery packs
- Rechargeable headlights
- Rechargeable speakers
- Any USB-powered device!Features:
- Best in class efficiency
- High speed overload protection
- Simple installation
- Shock and vibration toughened
- Waterproof
- Gold-plated USB connector won't rust or corrodeSpecifications:
- Starts charging at 3.5mph (5.5km/h) (N.B. when light is off)
- Full charging at 9mph (14.4km/h)
- Max Current: 1 Amp
- Also works with DC input up to 52V
- Weight: 37g
- Dimensions: 54mm x 35mm x 14mm
- Wire Length: 36" (91cm)
- Wire Ends: Stripped wire
- Warranty: 1 Year
Velocharger
The VeloCharger USB charging system was designed in the UK and is produced in Portugal.
The VeloCharger is designed to work with a Hub Dynamo and takes the raw AC voltage from the dynamo and convert to a stable 5 volt DC supply - suitable for charging a mobile phone or other USB device. There is an integral USB socket to accept a charging cable.
The VeloCharger has been in production since 2015 and has proved itself to be one of the most powerful and reliable chargers available. It is easy to fit, and provides the ideal solution for keeping your devices charged when on long rides or touring.
As we haven’t tested this wired with a dynamo headlight, we would recommend the velocharger only if a dynamo headlight isn’t going to be installed.
PedalCell - Bicycle USB Charger
If you don’t have a dynamo hub but want to charge your devices or lights on the go, then the PedalCell fulfils that need.
The American PedalCell rim dynamo is a super-efficient dynamo with USB charger that can be mounted on any Stanforth Bike. It is particularly ideal if you don’t want a hub dynamo on your bike, or would like extra charging capabilities as well as your dynamo hub.The biggest advantage of the PedalCell is that it delivers more current than a hub dynamo with a USB charger - 15-20 watt output and it can be decoupled when not in-use.
Smart Power Hub:
• Patented CadenceX Technology
• 1X prioritised safety USB-C (600mA, 5V)
• 1X high-powered device USB-C (2.4A, 5V)
Drag Adaptive Based on Speed and Device Power Needs
Weight 1 lb (490g)
Enclosure Weather-resistant
Consumables Rubber O-Ring Replacement every ~2-3K miles
N.B. these are only available to purchase when buying a Stanforth bike

