The power button is the control hub for your Ampler e-bike. Depending on which Generation of Ampler bike you are riding, the controls slightly differ, but the core functions of your power button are the same.
With the power button, you can:
- Turn the bike on and off
- Switch between the assistance modes
- Switch the lights on and off
Generation 2 modelsOur Generation 2 models are operated via the power button underneath the display.
The display shows different states. Once you make a selection via the button, it confirms your input via symbols.
All display symbols are explained in this article.
Turn the bike on and off
When you turn on your Ampler for the first time, the charger has to be connected to the bike in order to activate it from shutdown mode. Then you can turn it on:
- Briefly press the power button 1x.
- The display shows the Ampler logo shortly.
- The display then shows the active state.
- Bike is on.
Repeat the process to switch the bike off. It will switch itself off after ~2.5 minutes if you do not move it.
- Briefly press the power button 1x.
- The display shows
. - Bike is off.
Switch between the assistance modes
If the display is off, it can be “woken up” by a short press on the power button. We recommend to not do this while riding.
The display shows the active state.
- Shortly press the power button to cycle between modes.
- Select the desired mode. The symbol will be shown for approx. 2 seconds and the mode is set.
for standard mode, 
for max mode, 
for 0% assistance mode (motor support is off).
The bike always remembers the last selected mode.
Switching the lights on and off
The display shows the active state.
- Press and hold the power button shortly.
- The display shows – just keep pressing.
- The display then shows
for approx. 2 seconds. - Release the power button.
- The light switches on.
Repeat the process to switch the lights off.
- Press and hold the power button.
- The display shows – just keep pressing.
- The display shows
for approx. 2 seconds. - Release the power button.
- The light switches off.
The bike always remembers the last selected mode.
If you want to ride with lights on but without motor support, turn the lights on and select 0% assistance mode.
You can also toggle all of these settings in the app.
In this video, we show you how to use the button and authorise as owner via the app:
Generation 1 modelsYou can recognise the state of charge via the power button LED colours.
With the power button you can:
Turn the bike on and off
Bike is off
- 1x short press
- Bike is on
Repeat the process to switch the bike off. It will switch itself off after 5 minutes if you do not move it.
Switch between the assistance modes
Mode 1 (Standard):
Pedelec is switched on.
- The power button lights up depending on the state of charge.
- Press and hold the power button.
- As soon as the power button lights up orange: Release the power button.
- Power button flashes 1x briefly: Standard mode is selected.
- After that, the LED lights up depending on the charging status.
Mode 2 (Max):
Pedelec is switched on.
- Press and hold the power button again.
- As soon as the power button lights up orange: Release the power button.
- Power button flashes 2x briefly: Max mode is selected.
- After that, the LED lights up depending on the charging status.
The bike always remembers the last selected mode.
Switching the lights on and off
Pedelec is switched on.
- Power button lights up depending on the state of charge.
- Press and hold the power button for 1 second.
- The LED changes from red to green.
- Release the power button.
- The light switches on.
The bike always retains the last selected setting (light on or off).
Lights-only mode
Pedelec is switched off.
- Power button is off (not lit).
- Press and hold the power button.
- The LED lights up green.
- The light switches on.
- Release the power button.
To switch the motor back on, select assistance mode or switch the Pedelec off and on again. The bike does not retain the setting when you switch it on and off.
You can also toggle all of these settings in the app.
In this video, we show you how it works - unfortunately, the light-only mode is not yet shown here.