Familiarizing yourself with i-MiEV
3-4 General information/Charging
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The capacity of the lithium-ion battery
used as the main drive lithium-ion battery
on your i-MiEV, like other commonly
used lithium ion batteries, will decrease
according to time and usage. This type of
decrease in battery capacity is normal, and
is not indicative of any defect or failure in
your main drive lithium-ion battery. As
the main drive lithium-ion battery capac-
ity decreases, the initial cruising range of
the vehicle will similarly decrease.
Mitsubishi Motors estimates that after 5
years, the capacity of the main drive lith-
ium-ion battery provided with your vehi-
cle will be approximately 80% of the
original capacity. After 10 years, the
capacity should be approximately 70% of
the original capacity. These are only esti-
mates, and the actual capacity of your
vehicle battery over time will depend on a
variety of factors including how your
vehicle is used, stored and charged. Fac-
tors that can adversely affect battery
capacity over time include frequent driv-
ing using aggressive acceleration/deceler-
ation, repeated frequent use of the quick
charger, and operation/storage in extreme
temperature environments.
The main drive lithium-ion battery has a
limited service life, and when its charging
capacity falls, owners should bring their
vehicle to a certified i-MiEV dealer for
inspection and possible battery replace-
ment.
For details regarding the warranty cover-
age for the main drive lithium-ion battery,
refer to the Warranty and Maintenance
Manual.
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The distance you can drive the vehicle (cruis-
ing range) depends on a number of factors
including available charge, weather, tempera-
ture, usage, battery age, topography, and driv-
ing style. When the main drive lithium-ion
battery is new, the estimated cruising range
with a fully charged main drive lithium-ion
battery is 62 miles (100 km) based on the
EPA laboratory test commonly called the
combined range. Your actual range can vary,
either initially or as the battery ages and with
use over time.
As the main drive lithium-ion battery capac-
ity decreases, the cruising range of the vehi-
cle will similarly decrease. Refer to
“Decrease of battery capacity” on page 3-4.
• Repeatedly performing quick charging can
reduce battery capacity. Regular charging is
recommended unless quick charging is nec-
essary.
Do not store your vehicle at ambient temper-
atures above 131 °F (55 °C) for over 24
hours, or below
-13 °F (-25 °C) for over 7 days. The tempera-
tures may damage the main drive lithium-ion
battery.
It is recommended that your vehicle be
stored at temperatures below 77 °F (25 °C)
to help maximize the life of the main drive
lithium-ion battery.
Decrease of battery capacity
To help maintain the capacity of the main
drive lithium-ion battery, the following are
recommended:
• Fully charge the vehicle by regular charg-
ing every 2 weeks.
• Do not repeat charging when the main drive
lithium-ion battery is at or near full charge.
Cruising range
Since cooling or heating consumes power
from the main drive lithium-ion battery,
operation of these functions will reduce the
cruising range.
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