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Bosch Powertube: The battery that drives e-bikes

The key component of e-bikes in terms of performance is the battery. Bosch, one of the leading manufacturers of e-bike systems, has developed a range of batteries with the Powertube series that are impressive both visually and functionally.

Von Vincent Augustin  |  3 minutes read time

Bosch Powertube: Der Akku, der E-Bikes antreibt
About the author Vincent Augustin

Vincent founded MYVELO together with Fabian. The two share a long-standing passion for cycling. Together they have cycled thousands of kilometers and fought for victories in the German racing bike league. The idea of founding MYVELO arose from their many years of experience and knowledge of what makes a good bike. Find out more about MYVELO now

Published: December 30, 2024

But what makes the Bosch Powertube so special and what should you look out for? In this article, we delve deep into the world of the Bosch Powertube and explain why it is considered the benchmark for modern e-bike batteries.


What is the Bosch Powertube?

The Bosch Powertube is a lithium-ion battery that was specially developed for e-bikes. It stands out due to its slim design and its integration into the bike frame. Unlike older models such as the Powerpack, which are mounted on the outside of the frame, the Powertube is installed in the down tube of the bike. This ensures a more elegant appearance and better protection against external influences such as dirt or rain.

The Powertube series currently includes batteries with different capacities, including:

  • Powertube 400 (400 Wh)
  • Powertube 500 (500 Wh)
  • Powertube 625 (625 Wh)
  • Powertube 750 (750 Wh)
  • Powertube 800 (800 Wh)

Each model is aimed at different user needs, from everyday trips to long tours.


The advantages of the Bosch Powertube

  1. Integration and Design
    The power tube fits seamlessly into the design of the e-bike. By integrating it into the frame, the bike looks slimmer and more modern. The battery is also better protected from external influences.

  2. Easy handling
    The batteries can be removed and reinserted using a simple click mechanism. This makes charging at home or on the go easier.

  3. High capacity and range
    The Powertube models offer a range of up to 150 km (depending on the model, riding style, terrain and support mode). With the Powertube 800 you are particularly well equipped for long tours.

  4. safety and durability
    Bosch relies on high-quality lithium-ion cells that are protected from overheating, overcharging and deep discharge by a sophisticated battery management system (BMS).

  5. compatibility
    The Powertube is compatible with various Bosch drive systems, including the popular Performance Line CX motor.


What should you pay attention to?

When buying an e-bike with Bosch Powertube, there are a few important aspects:

  • Capacity : Consider how far you normally ride. For short distances, the Powertube 400 is sufficient, while the Powertube 625, 750 or 800 are ideal for longer trips.
  • Charging options : Check whether the charger (Bosch standard or fast charger) suits your everyday life. A fast charger saves time, but is larger.
  • Weight : A higher capacity also means a higher weight. For sporty e-mountain bikers, this could be a factor.
  • Care : Store the battery at room temperature and charge it regularly to maximize its lifespan.

Powertube in everyday life: Areas of application

The Bosch Powertube can be found in a variety of e-bike categories:

  • City e-bikes : Perfect for commuters who value an elegant look and short charging intervals.
  • E-mountain bikes : The Powertube 800 is ideal for challenging trails and longer adventures.
  • Touring bikes : With the Powertube 625 you can easily plan all-day trips.

Conclusion: The Bosch Powertube as the key to e-bike performance

The Bosch Powertube stands for innovation, design and performance. Whether for the daily commute or long bike tours - this battery is a reliable partner. With the right selection and care, the Powertube not only offers an impressive range, but also a long service life.

Tip : When buying an e-bike, pay attention to which Powertube model is installed and decide which capacity best suits your riding style. This will make the e-bike experience even better!

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