19
AUXILIARY BATTERY
(Hybrid version)
16) 4) 3) 4)
The car is equipped with a sealed 48V
auxiliary lithium-ion battery with the
function of energy storage for the car.
The main functions performed by the
auxiliary lithium-ion battery are to store
the electric energy developed while
braking and to supply it to the system
when the electric motor starts to
function.
The auxiliary lithium ion battery is
partially charged during driving by
recovering the kinetic energy of the car
when slowing down and braking.
The auxiliary lithium ion battery
recharges automatically to ensure
that the charge level is always below
100%, in order to take full advantage
of the hybrid functionality and, at the
same time, always have a certain
capacity useful for the energy recovery
operation.
The battery does not require any type
of maintenance. Its state of charge
can be seen on the instrument panel
display (see what is described in
chapter Digital instrument panel 7") in
the section "Knowing the instrument
panel").
To ensure that the lithium ion battery
is maintained properly over time,
the vehicle must not be exposed
to temperatures below -10°C and
above +40°C for extended periods of
time, as some vehicle functions may
change or become deactivated as
the battery performance decreases
outside this temperature range. The
battery is equipped with conditioning
systems that ensure that it operates
under optimal temperature conditions
appropriate to its operation.
The components of the hybrid system
in the vehicle (DC/DC, inverter, 48V
auxiliary lithium ion battery, control
module of the electrified dual clutch
automatic transmission) are cooled
by the engine coolant (for more
information refer to the "Checking
levels" paragraph in the "Servicing and
maintenance" section).
WARNING In case of a 48V lithium
ion battery failure, contact a Fiat
Dealership.
WARNING The battery has a limited
service life. Its ability to conserve the
charge decreases with time and use.
The amount of decrease in battery
capacity varies based on the external
conditions (e.g. ambient temperature,
etc...) and conditions of use, such as
the driving style, for example. This is a
natural characteristic of the lithium ion
batteries and must not be considered
an index of malfunction. In addition,
although the distance that can be
travelled in electrical mode decreases
as the capacity of the lithium ion
battery decreases, the performance of
the car is not affected.
GENERAL SAFETY
INFORMATION
Improper use, or inappropriate work
performed on the components of
the system with incorrectly isolated
equipment, could cause short circuits
and cause accidents due to the
passage of high currents and/or the
high resulting temperatures. Have all
repair/maintenance work carried out
only at a Fiat Dealership.
If the battery system is used in
an inappropriate manner, if it is
damaged/overheats/tampered with or
exposed to adverse environmental
conditions (e.g. very high or very
low temperatures), the battery could
be damaged and release flammable
electrolyte emissions. In these cases,
have the 48 Volt battery replaced, and
have the work performed only at a Fiat
Dealership.
Vehicle in storage for more than 1
month
Always park the vehicle in a place
with temperatures between -10°C
and +30°C (parking in a place with
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