PerfectCharge W20
4.2
Indicators
The battery charger has the following indicators:
Ammeter (Fig. 8 E, Page 3):
When charging, the ammeter indicates the actual charging current. When
jump-starting, the indicator points to "Start".
Green "Full" LED (Fig. 8 F, Page 3):
This LED is integrated in the ammeter and illuminates when the battery is
completely charged. This is the case when the final charge voltage has
been reached.
Red "Reverse" LED (Fig. 8 D, Page 3):
This LED is integrated in the ammeter and illuminates when you connect
the battery clamps to the incorrect poles.
In that case, correct the connections.
5
Using the battery charger
You can use the battery charger either to charge dead batteries or to jump-
start vehicles with dead batteries.
5.1
Charging batteries
➤ Before charging, isolate the vehicle battery from the vehicle's electrical
system so that the system cannot be damaged.
➤ First unclamp the negative pole, then the positive pole.
Please note that when you unclamp the battery, all temporary
memories of the vehicle's electronic systems lose their saved
data.
The following data needs to be re-entered when you re-clamp the charged
battery.
Radio code
Vehicle clock
Timer
On-board computer
Seat positions, etc.
You can find information on re-entering this data in your vehicle's user manual.
Using the battery charger
18