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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 and/or property damage.

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.

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.

IMPORTANT SAFETY INSTRUCTIONS

GENERAL SAFETY WARNINGS AND INSTRUCTIONS

• The unit was designed for household use only.

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 a proper 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. 

CAUTION –

 TO REDUCE THE RISK OF INJURY OR PROPERTY DAMAGE: 

• NEVER ATTEMPT TO CHARGE A FROZEN BATTERY.

• Do not charge the battery while the engine is operating.

• Stay clear of fan blades, belts, pulleys, and other parts that can cause injury to 

persons.

• 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.

• Never smoke or allow a spark or flame in vicinity of vehicle battery, engine or 

battery charger.

• Be extra cautious to avoid dropping a metal tool onto the battery. It might spark 

or short-circuit the battery or another electrical part, and that may cause an 

explosion.

• 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. 

• Always turn the battery charger off by unplugging it when not in use.

• Do not open the BATTERY CHARGER – there are no user-serviceable parts inside. 

Opening the battery charger will void the manufacturer’s warranty.

• Operate battery charger only as described in this Instruction Manual.

• Check battery charger and components periodically for wear and tear. Return to 

manufacturer for replacement of worn or defective parts immediately.

FIRST AID

When working with lead acid batteries, always make sure someone is close enough 

to provide immediate assistance in case of accident or emergency.
Always have protective eyewear when using this product: contact with battery acid 

may cause blindness and/or severe burns. Be aware of first aid procedures in case of 

accidental contact with battery acid.
Have plenty of fresh water and soap nearby in case battery acid contacts skin.
If battery acid contacts skin or clothing, wash immediately with soap and water for 

at least 10 minutes and get medical attention immediately.
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.
• 

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.

• 

LCD liquid crystal display:

 

If liquid crystal comes in contact with your skin: 

Wash area off completely with plenty of water. Remove contaminated clothing. If 

liquid crystal gets into your eye: Flush the affected eye with clean water and then 

seek medical attention. If liquid crystal is swallowed: Flush your mouth thoroughly 

with water. Drink large quantities of water and induce vomiting. Then seek 

medical attention.

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 this product and on engine.

SAVE THESE INSTRUCTIONS
INTRODUCTION

Congratulations on purchasing your 

Stanley

®

 Battery Charger.

 Read this 

Instruction Manual and follow the instructions carefully before using your 

new battery charger.

PREPARING TO CHARGE

1.  Be sure area around battery is well ventilated while battery is being charged.

2.  Remove battery completely from boat/airplane or any confined area before 

charging.

3.  If it is necessary to remove battery from vehicle to charge, or to clean terminals, 

always remove grounded terminal from battery first. Make sure all accessories 

in the vehicle are off, so as not to cause an arc.

4.  Clean battery terminals, taking care to avoid getting corrosive material in eyes.

5.  Add distilled water in each cell until battery acid reaches level specified 

by battery manufacturer. This helps purge excessive gas from cells. Do not 

overfill. For a battery without cell caps (maintenance free), carefully follow 

manufacturer’s charging instructions.

6.  Study all battery manufacturer’s specific precautions, such as removing or not 

removing cell caps while charging, and recommended rates of charge.

7.  Determine voltage of battery to be charged by referring to the vehicle manual. 

The unit is for charging a 12 volt battery only.

Charger Location

• Locate charger as far away from battery as cables permit.

• Never place charger directly above battery being charged; gases from battery will 

corrode and damage charger.

• Never allow battery acid to drip on charger when reading gravity or filling battery.

• Never operate charger in a closed-in area or restrict ventilation in any way.

• Marine batteries must be removed and charged on shore.

• Do not set a battery on top of the charger.

Connection Precautions

• Never allow clamps to touch each other.

• Attach clamps to battery and chassis as indicated in “Battery Installed in Vehicle” 

steps 5 and 6, or in “Battery Outside of Vehicle” steps 2 to 5.

CHARGING A BATTERY INSTALLED IN A VEHICLE

WARNING –

 A spark near the battery may cause an explosion. To 

reduce risk of a spark near the battery:

1.  Position AC and clamp cords to reduce risk of damage by hood, door, or 

moving engine part.

2.  Stay clear of fan blades, belts, pulleys, and other parts that can cause injury 

to persons.

3.  Check polarity of battery posts. POSITIVE (POS, P, +) battery post usually has 

larger diameter than NEGATIVE (NEG, N, –) post.

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.

CHARGING A BATTERY THAT HAS BEEN REMOVED FROM 

A VEHICLE

WARNING –

 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) AWG #6 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.  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 specifically designed for marine use. This unit is NOT designed for such use.

BC40BS_ManualENSP_040720.indd   4-5

BC40BS_ManualENSP_040720.indd   4-5

4/7/2020   3:36:24 PM

4/7/2020   3:36:24 PM

Summary of Contents for Re-CHARGEiT 40A

Page 1: ...7 571 2391 BC40BS English page 5 Español pagina 9 BC x Re CHARGEiT 40A AUTOMATICBATTERYCHARGER MAINTAINERWITHENGINESTART INSTRUCTION MANUAL Re CHARGEiT 40A CARGADORYMANTENEDORDEBATERÍASAUTOMÁTICOCONARRANQUEDEMOTOR MANUAL DE INSTRUCCIÓN BC40BS_ManualENSP_040720 indd 16 1 BC40BS_ManualENSP_040720 indd 16 1 4 7 2020 3 36 23 PM 4 7 2020 3 36 23 PM ...

Page 2: ...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...

Page 3: ...cuit the battery or another electrical part and that may cause an explosion 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 Always turn the battery charger off by unplugging it when not in use Do not open the BATTERYCHARGER there are no user serviceable parts inside Opening the battery charger will void the man...

Page 4: ...ital display shows the current voltage of the connected battery for 5 seconds The gauge without the pointer will light solid The unit will automatically return to standby mode after 5 seconds To Check the Battery Voltage in Charging Mode Press the charge voltage button and the LCD screen will display the following The digital display shows the current voltage of the connected battery for 5 seconds...

Page 5: ...TES DE SEGURIDAD ADVERTENCIAS E INSTRUCCIONES DE SEGURIDAD GENERALES La unidad fue diseñada solo para uso doméstico ADVERTENCIA PARA REDUCIR EL RIESGO DE INCENDIOS DESCARGAS ELÉCTRICAS PELIGRO DE EXPLOSIÓN O LESIONES A PERSONAS O PROPIEDADES Evite las condiciones ambientales peligrosas No utilice el cargador de batería en zonas húmedas o mojadas No exponga el cargador de baterías a la lluvia o la ...

Page 6: ...za del NEGATIVO NEGRA al bastidor del vehículo o al bloque del motor lejos de la batería No conecte la pinza al carburador las cañerías de combustible o a las partes de chapa de la carrocería Conecte a una pieza de metal sólida del bastidor o del bloque del motor 6 Para un vehículo con tierra positivo conecte la pinza del NEGATIVO NEGRA del cargador de batería al borne sin conexión a tierra NEGATI...

Page 7: ...o de la batería cambian de sólida a vacío arriba a abajo repetidamente y los iconos de reacondicionamiento de la batería parpadearán 3 Para detener el proceso de reacondicionamiento presione nuevamente el botón de reacondicionamiento de la batería Pulsando cualquier otro botón durante este proceso no tendrá efecto 4 Presione el botón de verificación del alternador otra vez para la prueba IMPORTANT...

Page 8: ...14 15 BC40BS_ManualENSP_040720 indd 14 15 BC40BS_ManualENSP_040720 indd 14 15 4 7 2020 3 36 28 PM 4 7 2020 3 36 28 PM ...

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