DeWalt DCW100 Guide D'utilisation page 9

On the welder, the battery capacity indicator (J) blinks while
charging to show the current state of charge. All segments will be
illuminated when the battery is full. The 'COMPLETED' indicator,
on the charger, will light when the battery is fully charged and the
charger switches to conservation charging mode.
The welder charging system is completely generator-compatible,
provided the maximum apparent power delivered by the generator
is at least 2 kVA. This is also the case if the generator in question
is an inverter.
CHARGER OPERATING MODES (FIG. 2)
Standard (default) charging mode: This mode starts
automatically when the charger is connected to the welder and
the mains supply. Both the charging indicator (W) and the mains
indicator (Y) will light. NOTE: This mode charges the battery to
its optimal charging power and maximizes the service life of the
battery.
Quick charging mode: For a faster maximum charge the quick
charge button (Z) switches the charger into quick charging mode.
Both the quick charging (V) and the mains indicator (Y) will be lit
when in this mode. Pressing the quick charge button (Z) a second
time will stop quick charging mode and standard charging mode
will resume.
Conservation charging mode: When the completed indicator
(W) lights, the battery is fully charged and the charger switches to
conservation charging mode. NOTE: In this mode, the welder can
remain connected to the charger without being damaged.
Hybrid mode: The charger enters this mode automatically when
the welder is in use while charger feeds the battery. The quick
charging (V) and the mains indicator (Y) will be lit when in this
mode. Hybrid mode stops when the charger is disconnected from
the welder or the workload ceases.
FIG. 2
Z
V
U
WELDER BATTERY PROTECTION (FIG. 1)
Deep discharge protection:
The device has a deep discharge protector to warn the user if
the state of charge of the battery is too low. When the battery
capacity is fully depleted all the segments of the battery capacity
indicator (J) will go out and 'Lo' will appear in the digital display (M).
CAUTION: Deep discharge can ruin the battery. If the deep
discharge protector is activated, recharge the device immediately.
Battery temperature monitoring:
Temperature monitoring prevents the battery from being charged
or discharged if it is outside the permitted temperature range.
If the battery exceeds or falls below the permitted temperature
range, the temperature icon ( ) of the status indicators (N) will
light up and welding or charging is not possible.
Automatic Switch-off:
Automatic switch-off avoids unnecessary power consumption and
thereby extends the effective period of operation with one battery
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Y
X
W