The Companion Bikepacking Dynamo Light


The Companion Bikepacking Light Dynamo/Battery powered with an internal buffer battery that allows you charge devices via the integrated USB port all speeds and even when stopped and off the bike. The Companion can also be used as a flashlight and can be mounted on helmets harnesses for the ultimate flexibility. AVAILABLE APRIL 2024. SIGN-UP…

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The Companion Bikepacking Dynamo Light

StVZO Bikepacking light

NEED a Dynohub/Dynamo Wheel? Let me build you one!

The Companion bikepacking light, always on your side.

The ultimate Bikepacking touring light. Dynamo/battery powered, USB charger, battery pack – all in one, always next to you.

The one thing that you need on your bicycle so that nothing stops you

Headlamp/Front light for when the sun goes down, dynamo or battery powered.

Integrated USB charger for charging all of your devices directly, on the road at ALL speeds even when stopped. no need for a separate charger. 5V, Up to 2A output.

Flashlight (or battery powered bike light) for when you stop/set up camp or during slow technical riding when dynamos do not produce enough power or flicker.

Battery pack for power when off the bike.



Lightweight (~150g) and Compact (100x45mm)

Easy wiring – uses standard DC barrel jack for easy connection.

Rear light connection – 1.4mm DC connector compatible with ALL bicycle tailights

LED Inside – Ultra bright and efficient LEDs, 5700K

Intensity control – 3 light intensity modes from low to blinding, to suit all riding conditions

Single Button – simple control that works with gloves and/or frozen wet hands

Expedition proof – sealed connectors and waterproof buttons

USB-C 5V output – reversible and universally available worldwide connector.

Overvoltage protection

Made in France  – from the idea to the final packaged product all done by me in my workshop

Technical Specifications (The Numbers)

Dynamo Light

  • 650+ lumens at full power
  • StVZO optics
  • 3 modes – (Bright, Normal, Low)
  • Low flicker design at low speeds (~7kph for the Low and Normal Modes)

USB-C charger

  • 5V output
  • Up to 2A output at ALL speeds and when stopped (depending on internal battery charge)

Battery light

  • 3 modes
  • Bright (~1.2h duration)
  • Normal (~5.2h/2.6h duration )
  • Low (~7.7h/15h duration + High Beam)

Internal Buffer Battery

  • User replaceable WITHOUT tools OR soldering.
  • 2200mAh capacity
  • ~2h to full charge (@~15kph/10mph)

What’s In the Box?

  • The Companion Bikepacking light
  • DC cable for dynamo connection (I can solder needed connections of you know which dynamo system, you will be using)
  • Rear light cable


Riding a bicycle (on public roads) can be a dangerous activity that can lead to serious injury or death.

Bicycle lights might be subject to local laws an regulations, please check with your local authority. 

Superior/Better alternative to:

Sinewave Beacon

Son Edelux USB-FL

Son Ladelux

Additional information

Weight 450 kg