BUSCH + MÜLLER K-Werk Dynamo USB Charger – 5000mAh Powerbank
€199.00
Tax included
The Busch + Müller K-Werk is a high-performance dynamo-powered USB charger with an integrated powerbank function. It is purpose-built for riders who rely on their bikes for more than just a quick spin: long-distance commuters, gravel enthusiasts, and bikepacking adventurers.
Convert your pedaling energy into astable power supplyfor your devices. Reduce grid dependency and maximize your real-world autonomy.
Secure payments and protected data
Secure & tracked delivery
Regulated and transparent withdrawal
Real-World Performance
On the road, the question isn’t just "does it work," but "is it ready when you need it?"
The K-Werk stores energy while you ride and delivers it consistently when you plug in a device. This ensures:
Always-on GPS for long-distance navigation.
Smartphone reliability without battery anxiety.
USB lights backup as a practical safety net.
The 5V/1.9A output is engineered for stability with minimal fluctuations. This means no charging interruptions when you slow down and no voltage spikes that could stress your electronics.
It’s the kind of component that doesn't just upgrade your bike—it upgrades your entire riding experience.
Overview: Who is it for?
What is the K-Werk? It is a bicycle dynamo-powered USB charger featuring a built-in 5000mAh battery. It allows you to charge electronic devices while pedaling or even when stationary.
Who is it for?
Bikepacking & Self-Sufficient Touring: For riders off the grid.
Daily Commuting: For those without easy access to charging ports.
Dynamo Lighting Setups: The perfect companion for hub-dynamo users.
Power-Heavy Users: Ideal for continuous GPS or smartphone navigation.
If your focus is the journey rather than the sprint, the K-Werk is your essential power hub.
User Insights & Reliability
Cyclists choose the K-Werk for three concrete reasons:
Reliability: It works consistently without needing constant adjustment.
Continuity: Delivers a smooth charge without "stop & go" interruptions.
Simple Integration: Fits seamlessly into existing dynamo ecosystems.
It’s not just a "nice-to-have" accessory; it’s a practical solution to a real-world problem.
Quick Integration Guide
The K-Werk performs best within a dedicated travel setup:
Hub Dynamo: Required for operation.
Clean Wiring: Recommended for durability.
Accessible Placement: Ideal in a frame bag or top tube bag.
The hook & loop (velcro) mounting system allows for easy installation and removal on any bike frame.
FAQ (Quick Tech Specs)
Can I charge my phone while pedaling? Yes. The K-Werk provides a stable 5V output at up to 1.9A, suitable for smartphones, GPS units, and small electronics.
Does it work when I’m stopped? Yes. The integrated 5000mAh battery stores energy while you ride, allowing you to charge devices even during breaks.
Does it require a specific dynamo? It is compatible with most standard hub dynamo systems.
Is it waterproof? It is rain and splash-resistant, designed for continuous outdoor use in varied weather conditions.
Get the Right Setup
Already have a dynamo but unsure how to integrate a clean charging system? Or are you building a travel setup from scratch?
Contact us at Bikejamming. We’ll help you integrate the K-Werk perfectly into your build, ensuring a seamless and efficient power solution.
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