Range Extender e185
Sleek. Powerful. Lightweight.
Unleash all your power
The MAHLE Range Extender e185 is designed for riders who want to go further or tackle the most demanding routes. The device increases the range up to 60 km. The Range Extender e185 is the only additional battery compatible with all eBikes equipped with the X20 system. The Range Extender provides extra range for your battery with minimal additional weight. With the addition of this new external battery, you are going to be able to take your bike adventures to the next level.
Compact design
Its ultra-compact design makes the Range Extender e185 the size of a water bottle.
Intelligent integration
Intelligent integration allows the Range Extender to integrate naturally with the entire X20 system, allowing the rider to be in full control.
Lightweight
At only 1,100 grams, carry only the weight you need to extend your adventure.
Powerful
171 Wh capacity combined with efficient MAHLE systems will allow riders to travel up to 60 kms.
0 km
of extra range


Low weight, sleek design

Maximum assistance for longer
By extending your range up to 60 km, you can go further and explore new routes.

Battery to go
Its small size will allow you to take it everywhere, park your bike, remove your Range Extender e 185 and take it comfortably with you.

Lower battery maintenance costs
By using the e185 external battery you will increase the life of the internal battery of your system, reducing its use and therefore its degradation, allowing you to reduce maintenance costs.

Charge Anywhere
Charge your bike fast, easily and hassle-free at home, at work, at a coffee shop… the options are unlimited with the Range Extender e185
Find out all about
the new Range Extender e185
Technical Specifications

Compatible with
Standard bike
bidons

- 195 mm
- 75 mm
- 1100 gr
- 171 Wh
- IP67
New Range Extender e185
MAHLE SmartBike Lab
Have a look at our SmartBike Lab video dedicated to the Range Extender. Here you will be able to learn how to connect it to your eBike among other interesting stuff.

Update Your Bike
Always keep your SmartBike up to date – Our latest System Updates for X20 and X35 Systems

How can we help?
From products & technologies to news & events: Quickly find the answers to your questions here.
MAHLE Smartbike Lab
Everything from tips for updating you bike, directions for use, advice about maintenance and much more.