1. DETAILED SPECIFICATIONS:
Specifications may change without notice in the interests of product improvement
2. CONNECTION DIAGRAM:
3. IMPORTANT SAFETY INSTRUCTIONS:
WARNING – Risk of explosive gases. Working in the vicinity of a battery is dangerous.
Batteries generate explosive gasses during charging. Keep the battery and charger away from
flames and sparks. Battery chargers contain switches and circuit breakers that produce arcs or sparks.
CAUTION – Charge only rechargeable vented / flooded lead / calcium batteries.
Never recharge dry cell or non-rechargeable or defective batteries. These may explode and cause
personal injury and property damage. If you are uncertain as to the type of battery you are
attempting to charge, or the correct procedure for checking the battery’s rate of charge, contact
your battery supplier or battery manufacturer. Always follow the battery manufacturer’s instructions.
Use the charger in a well ventilated room only
4. INSTRUCTIONS:
• Connect and disconnect battery leads only when AC supply cord is disconnected.
• Charge batteries in a dry well ventilated area only.
• Do not obstruct the flow of air through the charger cabinet.
• Never place the charger on a heated surface.
• If the supply cord is damaged, it must be replaced.
• The charger must not be exposed to liquids in any form. Use indoors only.
5. PERSONAL PRECAUTIONS:
• Wear complete eye and clothing protection and wear rubber soled shoes. When the ground
is wet or covered in snow, wear rubber boots. Avoid touching the eyes while working with batteries.
• Battery acid is corrosive. If battery acid contacts skin or clothing, wash immediately with soap and
water or a solution of Bicarbonate of Soda and water. If acid enters the eye, immediately flush eye
with running cold water for at least 10 minutes and then consult a doctor.
• NEVER smoke or allow a spark or flame in the vicinity of a battery or engine.
Charger Input
Voltage
Volt
Selector
Charge Rate
Selector
Current
Selector Pos
Output
Voltage
Output
Current
PRO 224 230Vac
230Vac
230Vac
230Vac
12 Volts
12 Volts
24 Volts
24 Volts
Battery Charge
Engine Start
Battery Charge
Engine Start
High
High
High
High
12V dc
12V dc
24V dc
24V dc
19 Adc
56 Adc
19 Adc
62 Adc
PRO 324 230Vac
230Vac
230Vac
230Vac
12 Volts
12 Volts
24 Volts
24 Volts
6
Engine Start
6
Engine Start
High
High
High
High
12.5V dc
25 V dc
49 Adc
54 Adc
PRO 524 230Vac
230Vac
12 Volts
24 Volts
6
6
12.5V dc
25V dc
68Adc
91Adc
• Be careful not to drop a metal tool onto the battery. It might spark or short circuit the battery or
other electrical part that may cause an explosion.
• Before working with any battery, remove any jewellery. A battery can produce a short-circuit
current high enough to weld such items causing severe burns.
• NEVER charge a frozen battery – thaw it out first. Charging will then be safer and more efficient.
6. CHARGING AUTOMOBILE BATTERIES:
• Ensure that the mains supply to the charger is disconnected before connecting any battery terminals.
• Connect the RED clamp to the positive terminal of the battery and the BLACK clamp to the negative
terminal of the battery.
• Connect the charger to the mains supply and switch ON.
• After charging, disconnect charger from mains supply first before disconnecting any battery charger
clamps.
7. MULTIPLE BATTERY CHARGING / ENGINE STARTING:
The Hawkins PRO Charger range is designed to allow Single or Multiple charging of lead acid or
calcium batteries connected in series and away from a vehicle.
These units are NOT RECCOMMENDED FOR SEALED BATTERIES.
BATTERY SIZE & COMBINBATION CONNECTED IN SERIES
CHARGER 6 V Battery 12 V Battery
PRO 224 2 or 4 1 or 2
PRO 324 2 or 4 1 or 2
PRO 534 2 or 4 1 or 2
• Select the desired number of batteries you wish to charge, that your charger is capable of charging as
indicated in the above table.
• Select the correct voltage setting for that number of batteries. (eg 2 x 6V batteries = 12V
setting)
• Turn all other selection switches off or to their minimum setting positions.
• Check polarity of each battery’s posts. POSITIVE (marked POS. or +) usually has larger diameter
than NEGATIVE (marked NEG. or -) post.
• Arrange the batteries close together.
• Use Hawkins inter-battery connectors (Note: Not included with charger) and connect POSITIVE
(RED) connector clip to POSITIVE (marked POS. or +) post of first battery. Connect NEGATIVE
(marked NEG. or -) post of second battery and so on. Continue joining batteries in series until all
batteries are connected and you left with NEGATIVE post not connected on the first battery and a
POSITIVE post not connected on the last battery.
• Connect the POSITIVE (RED) clip from the charger to the unoccupied POSITIVE (marked POS. or
+) post of the battery. Connect the NEGATIVE (Black) Clip from the charger to unoccupied
NEGATIVE (marked NEG. or -) post of remaining battery.
• Connect the AC power cord to the wall plug socket.
• Switch the AC power outlet on and select the current control switches to give the desired ammeter
reading.
• The charge process must be continually monitored to prevent over charging.
• A battery is fully charged when the voltage, on a 12V battery, approaches 15V (use a Digital Multi-
Meter to confirm this) or the SG levels of the cell is 1.225 or higher.
• Occasional bubbles will appear on the surface of the battery acid as the battery nears full charge.
Vigorous bubbling is a sign of overcharging and must be avoided.
• After charging is complete, SWITCH OFF AND DISCONNECT THE AC CORD FROM THE
WALL PLUG SOCKET. TO DISCONNECT THE BATTERIES, REVERSE THE ABOVE
CONNECTION PROCEDURE. NEVER DISCONNECT LIVE CHARGER CLIPS FROM THE
BATTERY TERMINALS.