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Questions about the E-Bike batteries

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Questions about the E-Bike batteries

The battery is the ebikes power source. It supplies the motor with the electrical energy that is required to provide power assistance when cycling. So it is hardly surprising that there is frequent discussion about eBike batteries in particular.

1 How long does a battery last?
Lithium-ion batteries are not only light; they also have a long service life. Bosch, Shimano and Specialized are designed for many
years of use. Smart battery management system protects lithium-ion batteries from too high temperatures, overloading and deep discharging. A precise life span is impossible to forecast, however. The battery’s service life will depend mainly on the nature and duration of the stress to which it is subjected.


2 How can you influence the service life?
To get the longest service life out of a battery eBikers need only to follow a few simple rules in respect of
protection, transport and storage. They include storing the battery in a dry environment and protecting it from direct
sunlight at a room temperature of around 15° to 20°C. 
Ideally, the battery should be recharged at room temperature. When transporting your eBike it a good idea to remove the
battery from the bike and store it safely in the car.

 

3 How long does it take to charge a battery?
The charging time depends on the battery’s capacity. Depending on the level of charger you have it would normally take 2-4hrs from flat.

 

4 How far can you travel on one battery? 

Which factors affect the battery’s range?
For many eBikers these are crucial questions to which there are, however, no generally valid
answers. The answer can differ enormously – from less than 20 to well over 100 kilometres on a full battery charge. Many
different factors affect the range. They include the assistance level, cycling behaviour, air resistance, the cyclist’s weight,
tyre pressure and, of course, the terrain. What are the ground conditions? Am I cycling on a paved road, a farm track or a
forest trail? Does my route include ascents or consist solely of flat and open country? All of these factors influence the
battery range. If you are planning a tour, a visit to www.bosch-ebike.com is highly recommended. The website includes a
range assistant that takes the different factors into account and gives you an idea of how far you can expect to travel in the
conditions that you specify.

 

5 What must keep in mind when cleaning your bike?

A pressure washer is unsuitable for cleaning an eBike, especially its electronic components. It's recommend wiping
the battery with a damp cloth. Do not use strong detergents that might affect the surface and always remove the battery
before cleaning the eBike. Its plug connectors should also be cleaned and lightly greased from time to time.


6 How are batteries best charged?
Batteries with lithium-ion cells can be charged for as short a period as you like irrespective of their charge
status. The integrated battery management system, combined with the correct charger, protects the battery from
overload when charging. Interrupting the charging process does the battery no harm. An important point to bear in mind is
that eBike batteries should only be charged with the right charger because irreparable damage might otherwise result and
warranty or guarantee claims might become invalid.