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Operating Instructions – Please
read carefully
Connect the terminal rings/clamps directly to the corresponding connectors on the
battery posts. Note: Make sure correct polarity connection before plugging in the AC
power.
Position the RED terminal on the POSITIVE post connector
Position the BLACK terminal on the NEGATIVE post connector
Connect the AC power cord with the AC power outlet. The Power LED indicator
quickly flashes on and then off
The charger will automatically select the right voltage according to the battery voltage
type and the corresponding LED indicator will turn on.
For AGM batteries or batteries which are stored in sub-zero conditions please connect the
charger to the battery as explained above. Press and hold the AMPS buttons to 2-3
seconds. You will notice that the AGM, Sub-zero indicator light will illuminate. Please
do not use this function on normal lead acid batteries, which are neither AGM or stored
in sub-zero conditions. To exit this function, simply reverse the procedure.
Once your battery is fully charged as per the charging indicator level disconnect the AC
power cord from the AC power outlet. Then disconnect the connection with the battery.
Please Note: ALWAYS disconnect the AC power cord from the AC power outlet before
connecting (or disconnecting) the charger to (or from) the battery.
Diagnosis & Recovery
Automatic diagnosis of battery condition begins the moment the charger is connected and
set to charge. The logic is as follows:
For deeply discharged 12V batteries where voltage is over 4.5V ± 0.5V, the charger
automatically begins charging with 1.5A low current to recover it, which terminates when
voltage reaches to 10.5V ± 0.25V.
For deeply discharged 24v batteries where voltage is over 16V ± 0.25V, the charger
automatically begins charging with 1.5A low current to recover it, which terminates when
voltage reaches 21V ± 0.25V.
When the charger detects a voltage >10.5V (for 12V battery) or 21V (for 24V battery) the
unit will begin to charge normally at a 2A slow charge rate. Should you need to speed the
charge rate up this should be done manually by pressing the “AMPS” button.
