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Twice the batteries. Twice the freedom.

Riese & Müller is one of the first E-Bike manufacturers to implement Bosch DualBattery technology and is already equipping eleven series with it in the 2017/2018 season. This makes Riese & Müller E-Bikes and E-Cargo bikes unbeatable when it comes to range – of course, with a consistently exceptional riding experience. Besides being able to go twice as far on long trips, you no longer have to worry about your range in your day-to-day riding either.

The Supercharger has two fully integrated Bosch PowerTube batteries in the top tube and down tube.
The New Charger uses a combination of Bosch PowerTube battery and frame battery. The frame battery sits on the down tube in which the InTube battery is located.
With the Delite & Delite mountain, the two frame batteries are mounted at a central point within the frame triangle.
Just like the Delite, the Charger features two frame batteries at a central position within the frame triangle.
With the Load, the battery is located on the rear side of the loading surface.
On the Packster 40, the second frame battery is mounted to the rear of the cargo surface.
On the Packster 60, the box equipment option is required in order to fit the batteries. The battery is mounted directly to the underside of the box.
With the Packster 80, the second battery is attached to the frame below the loading surface.

Riese & Müller is doubling the battery capacity of its E-Bikes to 1,000 Wh, thus effectively doubling their range, as the DualBattery technology enables the parallel use of two fully integrated 500 Wh batteries. Heiko Müller, co-founder of Riese & Müller, had this to say about the technology: “In designing our bikes, it is important to us to develop the right concept for each application. For the DualBattery, we dealt intensely with the topics of range and riding dynamics, as it does not necessarily make sense to use two batteries with every model.”


The battery positions

Our engineers have integrated the batteries so skilfully that the additional weight and battery position have no noticeable effect on riding behaviour. On the Supercharger we use two fully integrated Bosch PowerTube batteries in the top tube and down tube. The New Charger combines a Bosch PowerTube battery in the down tube and a frame battery mounted directly on the frame. All other models use two frame batteries, mounted in the frame triangle or on the cargo surface on E-Cargo bikes, depending on the model. You can find more information about the battery integration on the corresponding series pages and in the gallery below.


How does the DualBattery technology work?

While riding, the batteries alternate. The system automatically tracks the charge states of both batteries and switches between them when it detects a charge difference of five percent. This ensures that both batteries are discharged and used in an equal manner, which significantly prolongs the service life of the batteries. If necessary, riders also have the option to use just one battery. In this case, it doesn't matter which unit the battery is attached to. The two batteries can be charged directly on the bike or detached and charged on an external charger – which is very convenient when no socket is nearby. Both batteries have the same key, which saves time searching for the right one. The same charger can be used to top up the batteries whether mounted or removed, but it is only possible to charge both of them simultaneously directly on the bike. The charging time for both 500 Wh batteries, starting from a completely discharged state, is about 9 hours, or 4.5 hours for just one of them.

More about Bosch drive system

What are the specific benefits?

With the DualBattery technology, day tours of over 70 kilometres are no problem at all, even on our HS models and E-Cargo bikes. This way, you can focus entirely on riding, without constantly being preoccupied by range. For short trips and in day-to-day use, the handy technology requires significantly less frequent charging. And Heiko Müller points out: “Even I did not realise all the benefits of this system until I switched to an E-Cargo bike with DualBattery myself. While I used to have to charge my bike every two to three days, it is now sufficient to charge it just once a week. This means a major gain in comfort, because I no longer have to constantly worry about my range.” The DualBattery technology is thus the perfect solution, not just for going on tours, but for day-to-day commuting as well. You can see the total range of both batteries at all times on the two Bosch displays – as well as information about which battery is currently being used.

Unfortunately, it is not possible to retrofit the DualBattery. To install it, special cables and software adapted for the use of two batteries are required, which can only be fitted during the initial configuration of the bike. Only in the Delite, Delite mountain, Delite 25, Supercharger and Supercharger mountain series, the basic system has been integrated with both battery mounts as standard. The Delite 25 has both batteries as standard. In all other series it is possible to retrofit the second battery. 



DualBattery at a glance.


2 x frame batteries

1 x frame battery, 1 x PowerTube

2 x PowerTube

Energy reserve

2 x 500 Wh

2 x 500 Wh

2 x 500 Wh


Delite, Delite mountain, Charger, Charger GX, Load, Packster 40, Packster 60, Packster 80

New Charger, New Charger Mixte

Supercharger, Supercharger mountain


36 V

36 V

36 V


2 x 13.4 Ah (26.8 Ah)

2 x 13.4 Ah (26.8 Ah)

2 x 13.4 Ah (26.8 Ah)


approx. 5.2 kg (2 x approx. 2.6 kg)

approx. 5.4 kg (frame battery: approx. 2.6 kg / PowerTube: approx. 2.8 kg)

approx. 5.6 kg (2 x approx. 2.8 kg)

Dimensions (mm)

see "Batteries" comparison table

see "Batteries" comparison table

see "Batteries" comparison table

Charging time*

9 h

9 h

9 h

* when using the standard Bosch 4A charger

All models with DualBattery

Athletic riding through town and country

With Control Technology


The best of the best

With Control Technology

Delite 25

Performance par excellence

With Control Technology

Delite mountain

Long-distance runner


Power pack for mountain and valley

Supercharger mountain

A classic with new power

New Charger

A classic with new power and lowered top tube

New Charger mixte

Pure energy


Pure energy - on tours

Charger GX

Loadable. Durable. Thrilling.

With Control Technology


Compact. Spacious. Adjustable.

Packster 40

Extraordinarily spacious. Tremendously variable.

Packster 60

Heavy cargo bike

Packster 80

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