2021 AUDI A7 battery capacity

High-voltage system


Charging method Charging cable

Charge with household and industrial alternat-
ing current (AC) sockets
Audi e-tron compact charging system > page 128

Charge at public alternating current (AC) charg-
ing stations

Charging station cable

Audi recommends using alternating current (AC)
to charge the high-voltage battery at industrial
sockets, charging stations, or a wallbox. This will
allow you to achieve higher efficiency and a con-
siderably shorter charging time when compared
to charging with a household socket.
Only charge at household sockets with the
Audi e-tron compact charging system under spe-
cial circumstances when it is not possible to
charge at an industrial alternating current (AC)
socket or at a public alternating current (AC)
charging station.
High-voltage batteries age over time, which re-
duces the available range. High-voltage batteries
can also age because of how they are used: fre-
quently charging the high-voltage battery com-
pletely accelerates the aging of the battery and
reduces the available range.
Charging time
The duration of the charging process may vary
based on the following factors:
— Sockets being used (household or industrial
sockets)
— Country-specific system voltage, current
strength and number of available phases
— Household connection
— The value set for the charging power level on
the Audi charging system control unit
— Fluctuations in the system voltage
— The temperature outside the vehicle
— The temperature of the high-voltage battery
and the Audi charging system control unit.
— Settings for the climate control inside the vehi-
cle
— Current capacity of the charging connector
— Whether the ignition is on or off
120
Tae ela)
Applies to: vehicles with plug-in hybrid drive

ZA WARNING
Short circuiting, electric shock, explosions,
fire, and severe burns can result from charg-
ing the battery incorrectly (for example by
disregarding general safety precautions, using
unsuitable or damaged sockets and charging
cables, or charging with unsuitable electrical
equipment) and can lead to serious and fatal
injuries.
— Do not charge using sockets/electrical
equipment that is clearly damaged or instal-
led incorrectly.
— Never use charging equipment that is clearly
damaged and/or dirty. Check the charging
equipment for damage before every use.
— Never modify or repair any electrical compo-
nents, especially the high-voltage system.
— Never charge in areas at risk for explosions.
The components in the charging equipment
can trigger sparks, which can cause flamma-
ble or explosive fumes to ignite. To reduce
the risk of explosions, especially in garages,
make sure the Audi e-tron charging system
control unit is at least 19 inches (50 cm)
above the floor when charging.
— Never use the charging equipment with an
extension cord, a cable reel, a power strip,
or an adapter, for example, a travel adapter
or timer.
— Do not touch the contacts on the vehicle
charging port or charging equipment.
— Do not insert any objects in the vehicle
charging port or in the charging equipment.
— Always protect the sockets and connections
from water, moisture and other fluids.
— Only use the charging equipment provided
by the factory or the charging station cable.

4K8012721BF

High-voltage system

g or attac g the cable
icles with Audi charging system

Applies to:


B4G-0681 Nn?

— Only change cables in a dry environment.
— The Audi charging system may only be used
as a complete unit consisting of the power
cables, the control unit, and the vehicle ca-
ble. Depending on the country, the total
length of the power cable, control panel and
vehicle cable may be restricted, for example
to 24.6 feet (7.5 m) in the USA. Audi recom-



Fig. 89 Control unit: removing and attaching the cable
Requirements:
> The charging process for the high-voltage bat-
tery must be ended > page 123.
> The vehicle charging connector must be re-
moved from the vehicle charging port.
> The power cable must be removed from the
socket.
Loosening the cable
» If necessary, loosen the screw @) using the
screwdriver provided.
> Lift the lever @ all the way up.
> Pull the connector @) out just until you feel re-
sistance.
> Close the lever @ until it is resting on the con-
nector @).
» Remove the connector (2) completely.
Attaching the cable
> Lift the lever @ up slightly.
> Insert the connector (2) into the control unit
just until you feel resistance.
> Lift the lever @ all the way up.
> Insert the connector (2) all the way into the
control unit.
> Close the lever @).
> Tighten the screw @) using the screwdriver pro-
vided.

A WARNING
— Note the warnings for charging > A in
Charging on page 123.
— Before switching a cable, always unplug the
power cable from the socket.

mends using only cables approved by Audi.
Gi) Tips
The power cable with the power connector for
industrial sockets and the Audi charging sys-
tem control unit are designed to work togeth-
er. Changing the power cable to another con-
nector type may reduce the available charging
power of the entire system. Limitations on
the ability to transfer power (current capacity)
depending on the phase and the number of
available phases may affect the available
charging power.


Wall clip
Applies to: vehicles with plug-in hybrid drive and wall mount
clip

RAZ-0638,

Fig. 90 Wall mount clip: securing the Audi charging system
Securing the Audi charging system
> First insert the control unit in the bottom tabs
on the wall mount clip and then into the upper
tabs.
> Push the control unit in the direction of the ar-
row toward the rear > fig. 90 and let it lock into
place.
> Wrap the excess length of cable around the
charging connector mount (@) when you are not
charging the high-voltage battery.
> Plug the power cable into the socket @).
133

Checking and Filling

arging the 12 Volt vehicle battery

Fig. 168 Engine compartment: connectors for a charger or
jump start cables
Observe the safety precautions > page 259, Gen-
eral information, > A\ in Battery general infor-
mation on page 270 and > /A\.
Requirement: only use chargers with a maximum
charging current of 14.8 volts. The battery ca-
bles remain connected.
The charging cable connections are located in the
motor compartment. The ground point ©) is al-
ways located on the vehicle body.
> Switch off the ignition and all electrical equip-
ment.
> Open the hood > page 261.
> Press the release lever on the positive terminal
and fold the cover upward > fig. 168.
> Clamp the charger terminal clamps to the jump
start pins according to the instructions. (Hex
head bolt under a cover @), ground point on the
vehicle body ©)).
> Insert the power cable for the charging device
into the socket and switch the device on.
> At the end of the charging process, switch the
charger off and pull the power cable out of the
socket.
> Remove the charging device terminal clamps.
> Close the cover on the positive terminal.
> Close the hood > page 261.

Z\ WARNING
— Never connect a charging cable or jump
start cable directly to the 12 Volt vehicle
battery. Only use the connections in the en-
gine compartment > page 272.

272

— A highly explosive mixture of gases can form
when charging batteries. Only charge the
battery in well-ventilated areas.
— A drained battery can freeze at tempera-
tures around 32 °F (0 °C). Do not charge or
use a frozen or thawed battery. If ice forms,
the battery housing can crack and battery
electrolyte can leak out, which increases the
risk of an explosion and chemical burns.
Contact an authorized Audi dealer or author-
ized Audi Service Facility for more informa-
tion.
— Do not connect or disconnect the charging
cable while charging because this increases
the risk of an explosion.

@ Tips
Read all of the manufacturer's instructions
for the charger before charging the battery.
Windshield washer
system

B4M-0135)


Fig. 169 Engine compartment: washer fluid reservoir cap
Observe the safety precautions > page 259, Gen-
eral information.
The windshield washer reservoir © contains the
cleaning solution for the windshield and the
headlight washer system* > fig. 169,
=> page 262. The reservoir capacity can be found
in > page 332.
To reduce the risk of lime scale deposits on the
spray nozzles, use clean water with low amounts
of calcium. Always add window cleaner to the wa-
ter. When the outside temperatures are cold, an
anti-freezing agent should be added to the water
so that it does not freeze.

4K8012721BF
Emergency assistance

To benefit fully from the advantages of the uni-
directional tire design, you should replace faulty
tires as soon as possible and restore the correct
running direction on all of the tires.
> Reinstall the caps on the wheel bolts if necessa-
ry.
> Store the vehicle tool kit in its designated
place.
> If the removed wheel does not fit in the spare
wheel well, store it securely in the luggage
compartment > page 83.
> Check the tire pressure on the installed wheel
as soon as possible.
> Correct the tire pressure and store it in the MMI
=> page 293 or > page 296.
> The wheel bolt tightening specification must be
90 ft lbs (120 Nm). Have it checked as soon as
possible with a torque wrench. Drive carefully
until then.
> Have the faulty wheel replaced as quickly as
possible.
Space-saving spare tire
Applies to: vehicles with space-saving spare tire (compact
spare tire)
The spare tire is intended for short-term use only.
Have the damaged tire checked and replaced if
necessary by an authorized Audi dealer or author-
ized Audi Service Facility as soon as possible.
There are some restrictions on the use of the
compact spare tire. The compact spare tire has
been designed specifically for your type of vehi-
cle. Do not replace it with the spare tire from an-
other type of vehicle.
The compact spare tire is located in the luggage
compartment under the cargo floor cover
=> page 305.
The tire pressure must be adjusted to a specified
value listed on the tire pressure sticker
= page 284, fig. 173.
Snow chains
For technical reasons, the use of snow chains on
the compact spare tire is not permitted.
If you have to drive with snow chains and a front
tire fails, mount the spare tire in place of a rear
tire. Install the snow chains on the rear tire that
you removed, and install that in place of the
front tire that failed.

ZA WARNING
— After installing a spare tire, the tire pressure
must be checked as soon as possible.
— Do not drive faster than 50 mph (80 km/h)
with a compact spare tire. Driving faster
than that increases the risk of an accident.
— To reduce the risk of an accident, avoid hard
acceleration or braking and driving fast
around curves with the compact spare tire.
— To reduce the risk of an accident, never drive
with more than one compact spare tire.
— Normal summer or winter tires must not be
mounted on the compact spare wheel rim.

Jump starting
You should only perform the steps that follow if
you have the necessary tools and technical ex-
pertise.
If the engine does not start because the vehicle
battery is drained, you can jump start your vehi-
cle using another vehicle. Jump start cables are
needed to do this.
Both vehicle batteries must have 12 V nominal
voltage. The voltage capacity (Ah) of the vehicle
battery that is giving power must not be less
than the capacity of the drained vehicle battery.
Jump start cable
Only use a jump start cable with a large enough
diameter. Note the manufacturer's specifica-
tions.
Only use a jump start cable with insulated termi-
nal clamps.
Positive cable - usually red.
Negative cable - usually black.
311

Whe els « cecncus sv sian ow cannons a o ance wo astenee 274
Cleaning 300
Glossary of tire and loading terminology .. 277
Loose wheel warning.............-.... 289
Replacing. ........ 00. c cece ee eee eee 308
Tire pressure monitoring system.... 293, 294
Tires and vehicle load limits............ 287
WhHEELWIeNGH:. + waxes 5 warm oe een x 2 eee 305
Wi-Fi
Hotspotsettingstess 5 & sass « mas 6 @ canes o 21d.
Using ahotspot.............2..20200. 209
Wild animal recognition................ 148
Window and mirror heating..............- 91
Windows
Child safety lock... 2.0.0... cee eee eee eee 46
Cleaning and removing ice............. 301
Convenience opening and closing......... 48
Defrosting....... 2... cece eee ee eee ee 89
Opening and closing................... 47
POWer WINK OWS iv: ss srenese 6 6 awinees ao oxaeew ows 47
Windshield
Cleaning. ......... cee eee eee eee 59
also refer to Windshield................ 59
Windshield washer system........... 59, 272
Reservoir Capacity’. « x cies 5 « aeem ox ema a 332
Windshield wipers ..............ceeee eee 59
Winter operation
Auxiliary climate control................ 90
Car washes « sie 2 6 scam + 0 seesaw « 4 eeu © os
Cooling system
Defrosting the windows................ 89
Rear window defogger..............005 89
Removing ice from windows............ 301
Seat Heating: « sews s + wae se wees 8 ze ers a 89
SMOWIGHAINS wines: 2s swseens x wanes vv once wa awe 290
Steering wheel heating................. 90
Tif@S:: = : seem s y ores & & oewe 5 c ems Fe eee 290
Vehicle battery (12 Volt)............00. 270
Windshield washer system............. 272
Winter tires cscs 6 « socewse 2 x anwcein sw anata 6 0 see 290
Wireless Apple CarPlay
refer to Audi smartphone interface...... 247
Wireless charging................-.05. 200
346