• If the rechargeable battery emits a strong
odour or gets hot, stop using it immediately.
• The rechargeable battery may only be
used with the rechargeable battery charger
supplied. The rechargeable battery charger is
not intended for use by persons (including chil-
dren) with limited physical, sensory, or mental
capabilities or by those lacking experience or
knowledge, unless they have been instructed
and supervised in the use of the device by a
person who is responsible for their safety.
• Children should be supervised to ensure
that they do not play with the rechargeable
battery charger.
• Cleaning and maintenance may not be car-
ried out by children.
• Inspect the plugs and connection cable
regularly. If the connection cable is damaged,
it must be replaced by the manufacturer, their
customer service department, or a qualified
person in order to avoid risks.
• Disconnect the rechargeable battery charger
from the power supply and let it cool down
before you clean, store, or transport it.
• Protect the electrical parts from humidity. Do
not immerse (the rechargeable battery, for
example) in water or other liquids during
cleaning to avoid an electric shock. Do not
hold the rechargeable battery charger under
running water.
• The rechargeable battery must be in a
well-ventilated location during charging.
• Disconnect the rechargeable battery charger
from the power supply as soon as the re-
chargeable battery is fully charged. Inspect the
rechargeable battery charger regularly for dam-
age. A damaged rechargeable battery charger
must be repaired before being used again.
• Do not use the rechargeable battery charger
if it has been exposed to vibrations or impacts
or if it has been dropped or damaged in some
other way.
• Never connect a damaged rechargeable
battery to the rechargeable battery charger.
Risk of electric shock!
• Never take the rechargeable battery charger
apart. Repairs must be performed by an ac-
credited customer service department. Incorrect
assembly can lead to fire or electric shock.
• Never use the rechargeable battery charger
near explosive or flammable materials. There
is a risk of fire and explosion.
• Check the technical data before you connect
the rechargeable battery charger to the
power supply. Connect the rechargeable
battery charger only to a plug that matches
the technical data on the type plate. Risk of
electric shock!
• The rechargeable battery charger is intended
for use in indoor spaces only.
• Always use the rechargeable battery charger
as designed. The rechargeable battery charger
is intended for use only with the rechargeable
battery that is built into the product.
Use of any other kind can lead to fire or elec-
tric shock. Make sure that the rechargeable
battery charger and the charge connection
have been properly connected and are not
impeded by foreign objects.
• Keep the charge connection clean and dry
and protect it from dirt and humidity.
• Do not place any objects on top of the re-
chargeable battery charger and do not cover
it up since this might lead to overheating.
• Do not position the rechargeable battery
charger near a heat source.
• Always place the connection cable so that no
one can trip over it, step on it, or damage it
in any other kind of way. In case of non-com-
pliance there is a risk of material damage or
injuries.
• Do not separate the rechargeable battery
charger from the power supply by pulling the
connection cable. Always hold the power
plug to disconnect the power.
Rechargeable batteries may not be exposed
to any mechanical impacts. There is a risk that
the rechargeable battery will be damaged.
• The rechargeable battery may not be charged
unattended.
Charging the rechargeable
battery
The rechargeable battery is installed in the saddle
post with integrated rechargeable battery (14)
and can be charged directly on the EPAC or it
can be removed for charging.
Note: The charging check light (2a) on the
rechargeable battery charger (2) comes on
during charging and lights up red. When charg-
ing is complete, the charging check light on the
rechargeable battery charger lights up green.
Be mindful of the following:
• IMPORTANT: Charge the rechargeable
battery fully before first use.
• IMPORTANT: Pay attention to the mains
voltage! The voltage of the power source must
match the information on the type plate of the
rechargeable battery charger.
1. Plug the mains cable (2c) into the socket (2d)
on the rechargeable battery charger.
2. Connect the mains cable to the power supply.
3. After charging is completed, remove the mains
cable from the power supply again.
Charging the rechargeable battery
on the EPAC (fig. J)
1. Rotate the locking ring on the connecting
plug (17) one quarter turn to the left and then
pull the connecting plug out of the connec-
tion (14a) of the saddle post with integrated
rechargeable battery (14).
2. Connect the charger plug (2b) to the
connection of the saddle post with integrated
rechargeable battery.
3. After charging is completed, remove the
rechargeable battery charger (2) from the
power supply and reconnect the connecting
plug to the connection of the saddle post with
integrated rechargeable battery.
Removing the rechargeable battery
and charging externally (fig. K)
1. Open the lock (15) with the key (1).
2. Loosen the quick-release lever (28) of the
saddle post with integrated rechargeable
battery (14).
3. Rotate the locking ring on the connecting plug
(17) one quarter turn to the left and then pull it
out of the connection (14a) of the saddle post
with integrated rechargeable battery (14)
(see fig. J).
4. Pull the saddle post with integrated recharge-
able battery gently and evenly out of the
frame (8) to avoid tilting.
Note: The saddle post with integrated recharge-
able battery is lubricated. Please mind your
clothing!
5. Turn the key in the direction of the arrow and
pull it out.
6. Charge the rechargeable battery (see "Charg-
ing the rechargeable battery").
Note: Bear in mind that removing a component
or a rechargeable battery is not a protection
against theft. The EPAC can also be operated
without assistance from the drive components. Al-
ways protect the EPAC by securing it to some fixed
object with a reliable and tested bicycle lock.
Installing the rechargeable
battery (fig. K)
1. Open the lock (15) with the key (1).
2. Insert the saddle (11) and the saddle post with
integrated rechargeable battery (14) into the
saddle tube (29).
3. Plug the connecting plug (17) back into the
connection.
4. Adjust the seat height (see fig. D).
5. Turn the key in the direction of the arrow and
pull it out.
6. Close the quick-release lever (28).
Tips for using the rechargeable
battery
• Rechargeable battery life can be prolonged if
it is properly maintained and especially if it is
stored at the right temperatures.
• If the battery is stored empty for a lengthy
period, it can become damaged despite the
low self-discharge and the storage capacity
can then be seriously reduced.
• It is not recommended to leave the rechargeable
battery permanently connected to the charger.
• For example, do not leave the rechargeable
battery in the car in the summer; instead, store
it away from direct sunlight.
• Do not ride with the rechargeable battery
taken out.
• Cold temperatures reduce the battery life of
the rechargeable battery (up to 20% loss).
When riding in winter, the performance of
the rechargeable battery is therefore not the
same as in summer. The following tips help to
a great extent to maintain the performance of
the rechargeable battery even in winter.
1. Charge the rechargeable battery in a dry
location at 15-20°C.
2. Before charging the rechargeable battery it
should first be at room temperature.
3. Between trips in winter always bring the
rechargeable battery into a temperature-con-
trolled space and do not leave it outside on
the EPAC.
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