Drive battery
General information 2-5
2
The drive battery is charged by the engine
and by regenerative braking, so it is not nec-
essary to charge it from an external source.
However, if the vehicle is left unattended for
a long period of time, as a basic characteristic
of lithium-ion batteries, the drive battery will
gradually discharge. Therefore, be sure to
drive for about 30 minutes or 30 km at least
once every 2 to 3 months. In the unlikely
event that the drive battery is completely dis-
charged and the vehicle cannot be started,
contact an authorised MITSUBISHI
MOTORS dealer.
It is the drive battery to operate the motor
and the air conditioning. In addition to the
drive battery, this vehicle has the auxiliary
battery to operate lamps, wipers, etc.
Compact, light-weight lithium-ion bat-
tery with high energy density is used for
the drive battery.
The drive battery has the following char-
acteristics.
Please read this carefully paying attention
to the following:
The same as ordinary lithium-ion batter-
ies, the battery capacity of the drive bat-
tery gradually reduces with time. As the
drive battery capacity decreases, the ini-
tial EV cruising range and the vehicle per-
formance will similarly decrease.
Depending on the usage conditions, such
as frequent quick acceleration/decelera-
tion, extremely hot weather, storing the
vehicle in high ambient temperatures, etc.,
the rate of battery capacity drop will
increase.
When the ambient temperature lowers, the
engine will start frequently, even if there
are many remaining power of the drive
battery.
The drive battery is gradually discharged
without use and the battery charge is low-
ered.
If your vehicle is not used for a long time,
check the Energy level gauge every three
months.
If the Energy level gauge shows 0, start
the Hybrid EV System and turn on the
READY indicator.
The engine will then automatically start to
charge the drive battery.
Do not put water or foreign objects into the
cooling inlet (A) under the front seat, as this
will damage the drive battery.
Do not block the cooling inlet (A), as the
drive battery cannot be cooled and motor
output will be limited
Do not place heavy objects on top of the
drive battery, as this will damage it.
Do not spill water or other liquids near the
front seats, as the drive battery is located
under the front seats. If you accidentally spill
a beverage, wipe up as much liquid as possi-
ble and immediately consult an authorised
MITSUBISHI MOTORS dealer.
When the drive battery is hot, there will be
an operation sound from the cooling fan, but
this is not a malfunction.
Since the air conditioning (cooling or heat-
ing) consumes power of the drive battery, its
operation results in a shorter EV cruising
range. Maintain an appropriate temperature.
Characteristics
Precautions for operation
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