• Remove personal metal items such as rings, bracelets, necklaces and watches when working with a
lead acid battery. A lead acid battery can produce a short circuit current high enough to weld a ring,
or similar metal object, to skin, causing a severe burn.
• Place this unit as far away from the battery as cables permit.
• Never allow battery acid to come in contact with this unit.
• Do not operate this unit in a closed area or restrict ventilation in any way.
• All ON/OFF switches should be in the OFF position when the unit is charging or not in use. Make
sure all switches are in the OFF position before connection to a power source or load.
• Although this unit contains a non-spillable battery, it is recommended that the unit be kept upright
during storage, use and recharging. To avoid possible damage that may shorten the unit's working
life, protect it from direct sunlight, direct heat and/or moisture.
• NEVER ATTEMPT TO JUMP-START OR CHARGE A FROZEN BATTERY.
SPECIFIC SAFETY INSTRUCTIoNS FoR PoWER CoRDS
• Don't abuse cord. Never carry appliance by cord or yank it to disconnect from receptacle. Keep cord
from heat, oil, and sharp edges. Pull plug rather than cord when unplugging the unit.
• Ground Fault Circuit Interrupter (GFCI) protection should be provided on the circuits or outlets to be
used. Receptacles are available having built in GFCI protection and may be used for this measure of
safety.
Extension Cords
• An extension cord should not be used unless absolutely necessary. Use of an improper extension
cord could result in a risk of fire and electric shock, and will void warranty.
• If an extension cord must be used, make sure your extension cord is in good condition. When
using an extension cord, be sure to use one heavy enough to carry the current your product will
draw. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating.
The following table shows the correct size to use depending on cord length and nameplate ampere
rating. If in doubt, use the next heavier gauge. The smaller the gauge number, the heavier the cord.
Recommended minimum AWG Size for Extension Cords for Battery Chargers
AC Input Rating
Amperes
Equal to or
But less
25 (7.6)
greater than
than
0
2
2
3
3
4
4
5
5
6
6
8
8
10
10
12
12
14
14
16
16
18
18
20
• power Cord Safety:
This appliance has a polarized plug (one blade is wider than the other) as a safety feature. This plug
will fit into a polarized outlet only one way. If the plug does not fit fully into the outlet, reverse the
plug. If it still does not fit, contact a qualified electrician. Do not attempt to defeat this safety feature.
SPECIFIC SAFETY INSTRUCTIoNS FoR JUMP STARTERS
CAUtION: tO REDUCE tHE RISK OF INJURY OR pROpERtY DAmAGE:
• NEVER ATTEMPT TO JUMP-START A FROZEN BATTERY.
• Jump-start procedures should only be performed in a safe, dry, well-ventilated area.
• Vehicles that have on-board computerized systems may be damaged if vehicle battery is jump-
started. Before jump-starting, read the vehicle's owner's manual to confirm that external-starting
assistance is suitable.
• Always store battery clamps when not in use. Never touch battery clamps together. This can cause
dangerous sparks, power arcing and/or explosion.
J752BCB_ManualENSP_061213.indd 4-5
American Wire Gage (AWG) Size of Cord
Length of Cord, feet (m)
50 (15.2) 100 (30.5) 150 (45.6)
18
18
18
16
18
18
16
14
18
18
16
14
18
18
14
12
18
16
14
12
18
16
12
10
18
14
12
10
16
14
10
8
16
12
10
8
16
12
10
8
14
12
8
8
14
12
8
6
4
• Never allow red and black clamps to touch each other or another common metal conductor — this
could cause damage to the unit and/or create a sparking/explosion hazard.
a) For negative-grounded systems, connect the POSITIVE (RED) clamp to the POSITIVE
ungrounded battery post and the NEGATIVE (BLACK) clamp to the vehicle chassis or engine block
away from the battery. Do not connect the clamp to the carburetor, fuel lines or sheet-metal body
parts. Connect to a heavy gauge metal part of the frame or engine block. Refer to the automobile
owner's manual.
b) For positive-grounded systems, connect the NEGATIVE (BLACK) clamp to the NEGATIVE
ungrounded battery post and the POSITIVE (RED) clamp to the vehicle chassis or engine block
away from the battery. Do not connect the clamp to the carburetor, fuel lines or sheet-metal body
parts. Connect to a heavy gauge metal part of the frame or engine block. Refer to the automobile
owner's manual.
• If the connections to the battery's POSITIVE and NEGATIVE terminals are incorrect, the Reverse
Polarity Indicator will light (red) and the unit will sound a continuous alarm until the clamps are
disconnected. Disconnect clamps and reconnect to battery with correct polarity.
• Always disconnect the negative (Black) jumper cable first, followed by the positive (Red) jumper
cable, except for positive grounded systems.
• This system is designed to be used only on vehicles with a 12 volt DC battery system. Do not
connect to a 6 volt or 24 volt battery system.
• This system is not designed to be used as a replacement for a vehicular battery. Do not attempt to
operate a vehicle that does not have a battery installed.
• Excessive engine cranking can damage a vehicle's starter motor. If the engine fails to start after the
recommended number of attempts, discontinue jump-start procedures and look for other problems
that may need to be corrected.
• Do not use this jump-starter on a watercraft. It is not qualified for marine applications.
SPECIFIC SAFETY INSTRUCTIoNS FoR BATTERY CHARGERS
WARNING: BURSt HAZARD: Do not use the unit for charging dry-cell batteries that are commonly
used with home appliances. These batteries may burst and cause injury to persons and damage
property. Use the unit for charging/boosting a LEAD-ACID battery only. It is not intended to supply
power to a low-voltage electrical system other than in a starter-motor application.
WARNING: tO REDUCE tHE RISK OF FIRE:
• If the vehicle accessory outlet fuse opens (blows) when plugging in this battery charger, do not use
this battery charger with this vehicle accessory outlet.
• Do not repeatedly replace the fuse.
• Do not replace the vehicle accessory outlet fuse with one of a higher amperage rating.
• Never attempt to patch the fuse with tin foil or wire.
• Any of these actions may cause serious electrical damage and/or a fire.
CAUtION: tO REDUCE tHE RISK OF INJURY OR pROpERtY DAmAGE:
• This charger is not designed for use with every make, manufacture or model of engine. Use only
with 12 volt systems.
• Do not charge the battery while the engine is operating.
FIRST AID
• SKIN: If battery acid comes in contact with skin, rinse immediately with water, then wash thoroughly
with soap and water. If redness, pain, or irritation occurs, seek immediate medical attention.
• EYES: If battery acid comes in contact with eyes, flush eyes immediately, for a minimum of 15
minutes and seek immediate medical attention.
• Read And Understand this Instruction manual Before Using this Unit.
SAvE thESE inStRuctionS
WARNING: tO REDUCE tHE RISK OF INJURY:
Follow these instructions and those published by the battery manufacturer and manufacturer of any
equipment you intend to use with this unit. Review cautionary markings on these products and on
engine.
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