Alfa Romeo STELVIO Owner's Handbook Manual page 261

that any sparks or open flames are kept
sufficiently far away from the battery.
WARNING Before using any devices to
charge or to maintain the charge of the
battery, carefully follow the instructions
provided with the device in order to
properly and safely connect it to the car
battery.
You can recharge the battery without
disconnecting the wires of the vehicle's
electrical system.
To reach the battery, remove the
load platform inside the luggage
compartment fig. 304;
304
remove the access cover fig. 305;
305
remove the protective cover (1)
fig. 306 and connect the positive cable
terminal of the charger (usually red) to
the positive terminal (+) of the battery;
connect the terminal of the negative
cable of the charger (usually black) to nut
(2) next to the negative terminal (-) of the
battery, as shown in fig. 306;
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306
The vehicle is equipped with an IBS
(Intelligent Battery Sensor), which is able
to measure the charge and discharge
voltage and calculate the charge level
and the general condition of the battery.
The sensor is placed next to the negative
terminal (-) of the battery.
For a correct charge/discharge
procedure, the charge voltage must go
through the IBS sensor.
Turn the charger on and follow the
instructions on the user's manual to
completely recharge the battery;
when the battery is charged, turn the
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charger off before disconnecting it from
the battery;
first disconnect the black cable
terminal of the battery charger and then
the red cable terminal;
refit the protective cover of the
positive terminal of the battery
and the access cover to the battery
compartment.
WARNING If a "quick-type" battery
charger is used with the battery fitted
on the vehicle, before connecting it
disconnect both cables of the battery
itself. Do not use a "quick-type" battery
charger to provide the starting voltage.
81)
WARNING
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218) The process of charging or recharging
the battery produces hydrogen, a
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