PLEASE READ CAREFULLY BEFORE USING
Suitable for all type of 12V lead acid batteries between 20-110Ah.
1. Preparing the battery
Firstly remove the caps from each cell and check that the level of the liquid is sufficient in each
cell. If it is below the recommended level, top up with de-ionized or distilled water.
Note: Under no circumstances should tap water be used.
The cell caps should not be replaced until charging is complete. This allows any gases formed
during charging to escape. It is inevitable that some minor escape of acid will occur during
charging.
For permanently sealed battery, it is not necessary to carry out the above checks.
2. Connection
Connect the positive charging lead (red) to the positive terminal post of the battery (marked P
or +). Connect the negative charging lead (black) to the negative terminal post of the battery
(marked N or -).
It is important to ensure that both DC clamps are making good contact with their respective
terminal posts. If the DC battery clamps are connected improperly to the battery terminals, the
reverse polarity LED will indicate the reversed polarity. If this occurs simply disconnect the
battery charger from the AC power connect the DC clamps correctly to the battery terminals.
Reconnect the charger to the AC power.
3. Charging
Insert the plug into the mains supply. The GREEN “POWER” LED will light up and the charger
will now be operating (there is no on/off switch on the charger).
If all the conditions are fine, the battery charger will start supplying charges and the AMBER
“CHARGING” indicator will light up.
Finally the charger will automatically switch to maintenance mode. The GREEN “FULL” LED will
illuminate and indicates that the battery is now fully charged.
4. When charging is complete
Switch off the mains supply, unplug the charger, and disconnect the leads from the battery
posts. Inspect the liquid levels in each cell and top up. If necessary, using the correct fluid.
Replace the caps. Any surplus fluid around the cell tops should be wiped off (this should be
done with extreme care as it may be acidic/corrosive).
Where appropriate, if the battery has been removed for charging, replace it and reconnect the
cables.
It is essential to keep your battery regularly charged throughout the year, especially during the
winter months. In the winter the effectiveness of your car battery is reduced by the cold. Oil is
thick. Engines are difficult to start and the heater, windscreen wipers and lights are all draining
power. It is at this time that batteries have to be at peak power. If your battery is not regularly
maintained and kept fully charged, it can cause problems and a possible breakdown.
Listed are some helpful hints on how to keep your battery healthy in conjunction with your
Battery Charger.
Faulty Cells
Batteries are usually made with six cells. One of these cells can deteriorate or get damaged. If,
after several hours charging your battery is still flat, you should test the battery. Take
hydrometer readings from each cell in the battery. If one reading is lower than the others, this
could indicate a faulty cell. If necessary, get an Auto-Electrician to check your battery. One
faulty cell is enough to ruin your battery.
It is pointless to continue using it and you would be better getting a new one.
