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TABLE OF CONTENTS

Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2

Controls and Indicators  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Operating Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Charge Rate Selection  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Charging the Battery  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5

Automatic Float Charging  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

Equalizing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

Engine Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7

Recondition Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7

Alternator Check  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8

Approximate Charging Times  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8

Care and Maintenance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9

Troubleshooting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9

INTRODUCTION

Thank you for selecting the 

4/10/20/50 Amp 12 Volt Smart Battery

Charger with 150 Amp Engine Start and Alternator Voltage Check.

With proper care and use, it will give you years of dependable service. This battery
charger has a high charge rate of up to 50 amps, a low charge rate of 4 amps and
150 amps of engine starting power. It is designed for charging only 
12 volt lead-acid batteries — conventional automotive, maintenance-free, marine
deep cycle and gel — used in cars, trucks, farm equipment, boats, RVs and SUVs,
lawn 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 serviceable
batteries .

Charge Curve

Stage One —

Rapid Start Charge at 50 amps delivers maximum charging

amperage to “wake up” any serviceable 12 volt battery and allows for quick engine
starting in just 5 minutes (based on a midsize vehicle battery at 50% charge level).
When battery reaches a maximum safe predetermined voltage, the charger will
automatically signal a "beep" and move into Stage 2 of the charging process.

STAGE ONE

BEEP

BEEP

OFF BEEP

STAGE TWO

STAGE THREE

CHARGING

COMPLETE

LED LIT

iv

4. Determine which post of battery is grounded (connected) to the chassis. If NEGATIVE post is

grounded to chassis (as in most vehicles), see 5. If POSITIVE post is grounded to the chassis, see 6.

5. For negative-grounded vehicle, connect POSITIVE (RED) clamp from battery charger to POSITIVE

(POS, P, +) ungrounded post of battery. Connect NEGATIVE (BLACK) clamp to vehicle chassis or
engine block away from battery. Do not connect clip to carburetor, fuel lines, or sheet-metal body
parts. Connect to heavy gauge metal part of the frame or engine block.

6. For positive-grounded vehicle, connect NEGATIVE (BLACK) clamp from battery charger to

NEGATIVE (NEG, N, –) ungrounded post of battery. Connect POSITIVE (RED) clamp to vehicle
chassis or engine block away from battery. Do not connect clip to carburetor, fuel lines or sheet-
metal body parts. Connect to a heavy gauge metal part of the frame or engine block.

7. When disconnecting charger, disconnect AC cord, remove clamp from vehicle chassis, and then

remove clamp from battery terminal.

8. Do not charge the battery while the engine is operating.
9. See operating instructions for length of charge information.

Follow these steps when the battery has been removed from a vehicle. A spark near
the battery may cause an explosion. To reduce risk of a spark near the battery:

1. Check polarity of battery posts. The POSITIVE post (marked POS,P, +) usually has a larger diameter

than the NEGATIVE battery post (marked NEG, N, –).

2. Attach a 24-inch (minimum length) 6 AWG insulated battery cable to the NEGATIVE battery post

(marked NEG, N, –).

3. Connect the POSITIVE (RED) battery clamp to the POSITIVE battery post (marked POS, P, + or red).

4. Stand as far back from the battery as possible, and do not face battery when making final

connection.

5. Carefully connect the NEGATIVE (BLACK) charger clamp to the free end of the battery cable

connected to the NEGATIVE terminal. 

6. Set the charge rate to appropriate setting according to battery size.

7. When disconnecting charger, always do so in reverse sequence of connecting procedure and break

first connection while as far away from battery as practical.

Note:

A marine (boat) battery must be removed and charged on shore. To charge it
on board requires equipment specially designed for marine use. This unit is
NOT designed for such use.

SAVE THESE INSTRUCTIONS

This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. This limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to

which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

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

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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