5
Recommended Slow Charge Times
The charge times are for completely discharged Ni-Cad batteries.
Power-Output – 150mA
Battery Capacity Slow Charge Time
500 mAh About 4.5 hours
1000 mAh About 9 hours
1500 mAh About 14 hours
2000 mAh About 16 hours
RX- and TX-Output – 70mA
Battery Capacity Slow Charge Time
50 mAh About 1 hour
250 mAh About 5 hours
700 mAh About 14 hours
1000 mAh About 20 hours
1200 mAh About 24 hours
The charge times are for: 4-8 cells at the POWER-Output
2-6 cells at the RX-Output
7-8 cells at the TX-Output
Important Information
• All charge outputs can be used at the same time.
• Bad mains/empty car battery:
Quick charging at the POWER-Output has top priority when all 3
outputs are in use. If the available input voltage is dropping too low,
the charge current of the RX- and TX-Outputs is reduced. Their
Control-LED’s are flashing then.
• When slow charging the cooling fan stays off.
• Watch out for good connections. Bend connectors into shape after
some time.
6
Quick Charge at the POWER-Output
• Connect a Ni-Cad Battery to the POWER-Output.
• Select CHARGE with the MODE SELECT-Button.
• Adjust the quick charge current with the CURRENT A-Button. If not
specified different from the battery manufacturer, the quick charge
current should be 2-2.5 times higher than the battery capacity:
Battery Capacity Rec. Quick Charge Current
700 mAh = 0.7 Ah 1.4 – 1.8 A
1200 mAh = 1.2 Ah 2.4 – 3.0 A
1700 mAh = 1.7 Ah 3.4 – 4.3 A
2000 mAh = 2.0 Ah 4.0 – 5.0 A
• Push the red START-Button. The quick charge starts with the
adjusted current. The CHARGE-LED flashes red.
• The cooling fan is working. Using the various display functions, the
charge process can be supervised.
Full Charge - Super-Delta-Peak-Charge-Stop-Automatic
• The QUADRA-CHARGER realizes when the Ni-Cad is fully charged
and stops the quick charge automatically with 3 peep tones.
• The CHARGE-LED is green when the quick charge is finished.
• The fully charged battery should be hand warm at the end.
• The V-PEAK-Display shows the highest reached battery voltage.
• The %-CHARGE-Display shows the charged capacity. A fully charged
battery normally shows 100-120%.
Super-Delta-Peak-Automatic (Quick Charge)
When being quick charged the battery’s voltage is increasing until it is
fully charged. When being fully charged, the battery voltage starts to
drop. This effect is used to stop the quick charge automatically when the
full battery capacity is reached. The LRP-Super-Delta-Peak-Automatic is
more reliable than normal Delta Peak methods, since more parameters
are considered. The LRP-Automatic is therefor independent from a
unstable mains voltage or bad battery quality. With the LRP-Automatic
more energy/capacity can be charged into a battery.
7
Trickle Charge when Quick Charge is finished
• When the battery is fully quick charged the QUADRA-CHARGER
continues with a reduced 0.15 Ampere trickle rate to keep up voltage
and capacity of the battery. Different cell capacities are equalized.
• The CHARGE-LED is green.
• The trickle charge mode is not limited in time.
• Repeated triple peep tones indicate the end of the quick charge. The
battery can be disconnected.
Switch Slow Charge – Quick Charge
It can be switched from slow to quick charge and reverse by pushing the
red START/STOP-Button.
Charge Stop
• Disconnect the charged Ni-Cad battery from the charger.
• Right after being fully charged and heated up, a battery should not be
reconnected to a charger.
Please Pay Attention
• Please allow the QUADRA-CHARGER to cool down for 10 minutes
between 2 quick charges.
• Quick charge only Ni-Cad batteries suitable for quick charge.
• The Ni-Cad battery should be cooled down to room temperature
before being charged.
• It does not matter if the Ni-Cad battery is partly charged already when
connected to the QUADRA-CHARGER. Only the %-CHARGE Display
might be misled a little in the beginning.
Under all circumstances the QUADRA-CHARGER realizes when the
Ni-Cad battery is fully charged and shuts off automatically.
• Using a 12V car battery, its state of charge should be controlled after
some time. The voltage shown on the V-INPUT-Display should be at
least 11.5V.
• The internal cooling fan has to work during quick and discharge. It
turns off automatically 10 minutes after the end of quick and
discharge.
8
Interrupting the Charge or Discharge
• This can be done by simply disconnecting the Ni-Cad battery from the
QUADRA-CHARGER. The slow charging process is restarted be
reconnecting the Ni-Cad battery again.
• The quick charge or discharge can be restarted by pushing the red
START/STOP-Button.
A warning signal indicates that a quick charge, discharge or refresh
function has been interrupted by disconnecting the battery.
Interrupting the Mains or 12V Power Supply
• A peep tone signals a power supply problem.
• The TX- and RX-Outputs are switched off. A special electronic
prevents a connected battery from being discharged.
• The POWER-Output switches back to stand by mode. If a Ni-Cad
battery is connected to the POWER-Output a small current will be
drawn to supply the charger.
• When the power supply is restored the slow charge is restarted.
• Restart the quick or discharge by pushing the red START/STOP-
Button.
Internal Safety Timer (Quick Charge only)
• The quick charge of batteries with a too high capacity or of batteries
not being suitable for quick charge will be stopped by the cell specific
internal safety timer. Only the strongly reduced trickle charge current
will continue.
• The safety timer will also be activated if the quick charge current is
adjusted too low. Then the battery will not be fully charged in time.
Therefor adjust the recommended quick charge currents
(see page 6).
• The CHARGE-LED is red when the safety timer is activated.
• Normally the quick charge is finished before the safety timer is
activated, therefor this has absolutely no negative influence.
• Hint: a fully charged battery should be hand warm at the end.
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