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OPERATING MANUAL

G12/55 - 12 Volt, 55 Amp
G12/55D  [Digital Display]
G12/80 - 12 Volt, 80 Amp
G12/120 - 12 Volt, 120 Amp
G24/45 - 24 Volt, 45 Amp

SAFETY

Do not use this battery charger in confined spaces. Make sure the area is well ventilated.  EXHAUST FUMES ARE ORDORLESS 

• 

AND DEADLY
Fuel should be stored in approved fuel containers. 

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When traveling with the battery charger, the gas shut off valve must be in the closed “OFF” position. 

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Do not smoke or place the machine near an open flame. 

• 

Always turn the engine off and cool down engine before re-fuelling. Avoid spilling, use a funnel. 

• 

Keep exhaust outlet away from dry grass or combustible materials.

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Do not attempt to charge recharge non-rechargeable batteries. 

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Repairs should only be carried out by qualified service people. 

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Operate on a clean level surface, vibrating equipment should not be left unattended unless secured in place to protect 

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from falling over which could cause a fire.  
Disconnect battery charger leads from battery as soon as charging process is complete.

• 

Lead acid batteries contain a sulphuric acid electrolyte, which is a highly corrosive gas when charged and can explode if 

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ignited which can cause serious injury or possibly death. 

OPERATING INSTRUCTIONS

Check the engine oil and fuel levels before starting. Fill engine oil to the top of the filler hole with the engine on a level 

1. 

surface. 
Always connect the battery leads to the charger control panel first and then connect the alligator clamps to the battery 

2. 

before starting. 
Battery cable clamps should be connected: POSITIVE [+] TO POSITIVE [+] AND NEGATIVE [-] TO NEGATIVE [-]

3. 

HIGH/OFF/LOW control panel switch must be in the “OFF” position before starting engine. 

4. 

Pull Start

5. 

 - Turn the Honda engine switch on, turn the fuel switch on, then turn the choke lever to the on, or choke closed 

position and pull cord to start. Idle the engine for a minute to warm up, turn the choke lever to the open position. 

     

Electric Start

 - Turn the fuel switch on, turn the choke lever to the closed position and then turn the key switch to start. 

Idle the engine for a minute to warm up, turn the choke lever to the open position.

    

 [G12/55 Digital Model Only] 

 Turn the Honda engine switch on, turn the fuel switch on, then turn the choke lever to 

the on, or choke closed position and pull cord to start. Idle the engine for a minute to warm up, turn the choke lever to 

the open position. Accelerate engine to maximum rpm to excite field to start charge, the readout on the digital display 

should read about 0.00 to – 0.03.
Select the HIGH/OFF/LOW control panel switch to “LOW” (float 2.33vpc) position, accelerate engine to 2/3 of maximum 

6. 

throttle  then  flick  the “START  CHARGE”  switch,  check  that  the  LED “CHARGING”  light  is “ON”  (battery  cables  must  be 

connected to excite field). 

     [G12/55 Digital Model Only] 

 Select the “HIGH/OFF/LOW” switch to “LOW” (float 2.33vpc) position. The “AMPS/VOLTS” 

switch  is  resides  in “AMPS”  position  and  displays  charging  amps.  Selecting  the VOLTS  position  displays  the  charging 

voltage, 14.0 “LOW” (float) 14.8 “HIGH” (bulk) (may vary slightly)  

ALTEN Battery Chargers Inc.

BATTERY

CHARGERS

ALTEN

A Wholly Owned Subsidiary of ALTEN Energy Solutions Inc.

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