User Manual
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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. These 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.
Changes or modifications not approved by the party responsible for compliance could void user’s authority to operate the
equipment.
SAFETY GUIDELINES / DEFINITIONS
DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
CAUTION: Used without the safety alert symbol indicates potentially hazardous situation which, if not avoided, may result in property
damage.
RISK OF UNSAFE OPERATION. When using tools or equipment, basic safety precautions should always be followed to reduce the risk
of personal injury. Improper operation, maintenance or modification of tools or equipment could result in serious injury and property
damage. There are certain applications for which tools and equipment are designed. Manufacturer strongly recommends that this product
NOT be modified and/or used for any application other than for which it was designed. Read and understand all warnings and operating
instructions before using any tool or equipment.
IMPORTANT SAFETY INSTRUCTIONS
WARNING: This product or its power cord contains lead, a chemical known to the State of California to cause cancer and birth defect
or other reproductive harm. Wash hands after handling.
READ ALL INSTRUCTIONS
WARNING: Read all instructions before operating the battery charger. Failure to follow all instructions listed below may
result in electric shock, fire and/or serious injury.
GENERAL SAFETY WARNINGS AND INSTRUCTIONS
• The BC15BS was designed for household use only. The BC25BS was designed for both household and commercial use.
WARNING – TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, BURST HAZARD, OR INJURY TO PERSONS OR PROPERTY:
• Avoid dangerous environments. Don’t use the battery charger in damp or wet locations. Do not expose the battery charger to rain
or snow.
• Keep children away. Keep away from children. This is not a toy!
• Store indoors. When not in use, battery chargers should be stored indoors in dry, and high or locked-up places – out of reach of
children.
• Unplug the battery charger when not in use.
• Check for damaged parts. Any part that is damaged should be properly repaired or replaced by manufacturer unless otherwise
indicated elsewhere in this instruction manual before further use.
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 by 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.
DANGER – Never alter AC cord or plug provided – if it will not fit the outlet, have aproper outlet installed by a qualified
electrician. Improper connection can result in a risk of an electric shock.
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 American Wire Gage (AWG) Size of Cord
Amperes Length of Cord, feet (m)
Equal to or But less
25 (7.6) 50 (15.2) 100 (30.5) 150 (45.6)
greater than than
0 2 18 18 18 16
2 3 18 18 16 14
3 4 18 18 16 14
4 5 18 18 14 12
5 6 18 16 14 12
6 8 18 16 12 10
8 10 18 14 12 10
10 12 16 14 10 8
12 14 16 12 10 8
14 16 16 12 10 8
16 18 14 12 8 8
18 20 14 12 8 6
Power Cord Safety
The unit 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 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 12 volt battery only. It is not
intended to supply power to a low-voltage electrical system other than in a starter-motor application.
• Use of accessories and attachments: the use of any accessory or attachment not recommended by manufacturer for use with this
battery charger could be hazardous.
• Stay alert. Use common sense. Do not operate this equipment when you are tired or impaired.
• Do not operate the battery charger near flammable liquids or in gaseous or explosive atmospheres. Motors may spark, and the sparks
might ignite fumes.
• Do not operate the battery charger if it has received a sharp blow, been dropped, or has been otherwise damaged in any way.
Return it to the manufacturer for repair.
WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK:
• Never immerse the battery charger in water or any other liquid, or use when wet.
WARNING: RISK OF EXPLOSIVE GASES:
• WORKING IN THE VICINITY OF A LEAD ACID BATTERY IS DANGEROUS. BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL
BATTERY OPERATION. FOR THIS REASON, IT IS OF THE UTMOST IMPORTANCE THAT EACH TIME BEFORE USING THE BATTERY CHARGER
YOU READ THIS MANUAL AND FOLLOW INSTRUCTIONS EXACTLY.
• To reduce the risk of battery explosion, follow these instructions and those published by the battery manufacturer and manufacturer of
any equipment you intend to use in the vicinity of the battery. Review cautionary markings on these products and on the engine.
• This equipment employs parts (switches, relays, etc.) that produce arcs or sparks. Therefore, if used in a garage or enclosed area, the unit
MUST be placed not less than 18 inches above the floor.
• THIS UNIT IS NOT FOR USE BY CHILDREN AND SHOULD ONLY BE OPERATED BY ADULTS.
WARNING: TO REDUCE THE RISK OF FIRE:
• Do not operate near flammable materials, fumes or gases.
• Do not expose to extreme heat or flames.
• 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.
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