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7

10. Push the Equalize button at any time and the battery will automatically begin to

equalize in 4 amp limited current. Note that in order to push the recessed button
you will need a small pin or ballpoint pen.

11. Every hour, the temperature should be checked by touching the battery. If the

battery is hot to the touch, stop the charging and allow the battery to cool.

12. The voltage rises, but does not go over 15.3v to 16.2v (2.55-2.7v per cell)

depending on ambient temperature, it will automatically adjust.

13. The “WET” LED flashes while the charger is in equalize mode. 
14. The digital readout will show “FUL” when the equalization process is complete. 

Engine Start

The Engine Start function can supply 150 amps for engine starting.

1. Set the 4/10/20/50 AMP button to 50 amp mode and immediately press the

110A button switch to activate the Engine Start mode.

2. The digital display will countdown from “999” to “000.”
3. When the “000” count is reached and begins flashing on the Display, the

charger is ready to start.

4. Crank the engine using manufacturer’s guidelines, typically in 3 to 5 second

bursts. The high current engine starting function requires a resting/cooling period
between tries. The charger will switch back to regular charge mode after
5 seconds and will not allow operation in this mode for 4 minutes. Wait 4 to 5
minutes before a second attempt at starting the engine, if needed.

5. During the rest period, the battery is charging at 50 amps. After engine starts,

follow the steps outlined in “Important Safety Instructions” at the front of this
manual to disconnect.

Recondition Mode

Whenever a lead-acid battery begins to discharge, lead sulfate, an insulator, begins
to build up on the battery’s internal plates. This reduces the ability of the battery to
hold a full charge. When that battery has an immediate charge, most of the lead
sulfate is dissolved and the plates are free of this insulation. If a battery remains in a
discharged condition over a longer period of time, the lead sulfate changes to a hard
crystalline form, making a full charge difficult to achieve. Reconditioning may “save”
a sulfated battery.
BATTERY RECONDITION MODE should only be used with 10 Amp Hour (Ah) or
larger capacity lead-acid batteries. Charge the battery to be treated for 20 minutes,
before using RECONDITION Mode. Observe the Digital Display for any codes. This
initial charge will check the battery for shorted cells (F01), open cells (F03) or battery
too low to accept a charge (F02), and to ensure the battery can take a charge. If
code (F03) is displayed, change to the BATTERY RECONDITION MODE.
Remove or disconnect the vehicle’s battery when reconditioning.

1. Make sure the charger is in initiation state with a circulating pattern on the

display or in charge OFF mode with “000” on the display. If not, press
4/10/20/50 AMP button repeatedly until “000” shows on the display.

2. Press the Battery Recondition button to start the process.

6

Automatic Float Charging

Automatic Float Charging is ideal for maintaining a fully charged battery.

1. Keep the AC power and battery connected after battery is fully charged.
2. The charger monitors the battery and tops it off as needed.
3. The Float Charge indicator lights; the display shows charge current when topping

off the battery and returns to “FUL” when completed.

4. To view battery voltage, press the Battery Voltage button.

Note:

Charging can be terminated by pressing the OFF button at any time.
After AC power interruption, charging restarts at 4 amp rate automatically.

WARNING

If battery size is not known, charge at the 4 amp rate. DO NOT
overcharge batteries. 

Equalizing

Equalizing is the process by which the fluid in each of a battery’s cells is equalized.
This process occurs after charging is complete.

WARNINGS

• NEVER TRY TO EQUALIZE A GEL OR AGM CELL. THE RESULTING

EXPLOSION COULD CAUSE PROPERTY DAMAGE, SERIOUS INJURY
AND/OR DEATH.

• Remove or disconnect the vehicle’s battery when equalizing.

The frequency which the equalization process needs to be run depends on the use of
the battery. The more the battery is used, the more undercharged it becomes; thus the
more frequently the battery should be equalized.

1. Do not use this mode on sealed or valve regulated batteries. This mode is only

meant for wet (unsealed/vented) batteries. 

2. Make sure there are no flammable sources near the recharging sight.
3. Wear safety glasses, gloves and protective clothing. 
4. Remove battery from vehicle. MAKE SURE THAT THE BATTERY HAS GOOD

VENTILATION. The process causes the release of hydrogen and oxygen. An
accumulation of these gases presents a real danger of explosion. 

5. Open the battery cap, if removable.
6. Fill the battery with distilled water according to the manufacturers instructions.

Since batteries may rapidly bubble while being charged, remember to refill (only
with distilled water) after the equalization process is complete and the voltage is
back to normal.

7. Follow the steps in the “Charging the Battery” section on page 5 of this manual.
8. Push the Battery Type Selector Switch until “WET” is displayed. (This mode will

only work if a WET battery is selected.)

9. Choose the correct charge rate and start charging. You can check the battery

voltage by pushing the Battery Voltage button. This will trigger the Battery Voltage
indicator button.

VEC1098A_Manual_022405  2/24/05  6:08 PM  Page 6

Summary of Contents for 4/10/20/50 Amp 12 Volt Smart

Page 1: ......

Page 2: ...l For a battery without cell caps maintenance free carefully follow manufacturer s charging instructions 5 Study all battery manufacturer s specific precautions such as removing or not removing cell caps while charging and recommended rates of charge 6 Area around battery should be well ventilated while battery is being charged Gas can be forcefully blown away by using a piece of cardboard or othe...

Page 3: ... lead acid batteries conventional automotive maintenance free marine deep cycle and gel used in cars trucks farm equipment boats RVs and SUVs awn mowers garden tractors motorcycles personal watercraft snowmobiles ATVs and various applications Smart Battery Chargers feature 3 stage high efficiency charging technology built in microprocessor control that ensures fast safe and complete charging of se...

Page 4: ...tery Recond is an automatic mode that once started continues for 24 hours and then stops A series of electrical pulses breaks the crystalline form of lead sulfate o return these chemicals into useful battery electrolytes More than 24 hours may be needed to restore Periodic reconditioning is recommended to maintain a battery s optimum performance However if 5 cycles does not improve battery perform...

Page 5: ...pressed within 3 minutes after applying AC power If the Display on the charger varies between F03 and the amp rate the battery is sulfated and the charger is trying to give it some charge If after approximately 2 hours the display just shows F03 then the battery will not charge Charger occasionally sounds a beep and displays 0 0 during self test or charging stage changes 3 Pressing the 4 10 20 50 ...

Page 6: ...t at starting the engine if needed 5 During the rest period the battery is charging at 50 amps After engine starts follow the steps outlined in Important Safety Instructions at the front of this manual to disconnect Recondition Mode Whenever a lead acid battery begins to discharge lead sulfate an insulator begins o build up on the battery s internal plates This reduces the ability of the battery t...

Page 7: ...damage to the cords WARNINGS Do not use charger if cords or clamps have been damaged in any way call Technical Support toll free at 866 584 5504 There are no user serviceable parts in this unit Do not open the unit In the event of malfunction it must be returned to manufacturer for professional testing and repair OPENING THE UNIT WILL VOID THE MANUFACTURER S WARRANTY TROUBLESHOOTING Display Indica...

Page 8: ...11 ...

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