DEWALT DXAEC10 Professional 10 Amp Battery Charger User Manual

: June 9, 2024
: Dewalt

DEWALT DXAEC10 Professional 10 Amp Battery Charger User Manual

WARNING: Read all instructions before operating product.
Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.

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. For more information go to www.P65Warnings.ca.gov

Definitions: Safety Guidelines

The definitions below describe the level of severity for each signal word. Please read the manual and pay attention to these symbols.
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.
NOTICE: Indicates a practice not related to personal injury which, if not avoided, may result in property damage.

IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS DeWALT TOOL, CALL US TOLL FREE AT: 1-888-394-3392.

10 Amp Battery Charger/Maintainer
The DXAEC10 10 Amp Battery Charger is a DEWALT 10A battery charger for 6V/12V lead-acid batteries and 12V lithium batteries.

Important Safety Instructions

Keep these instructions.
Heed all warnings.
Follow all instructions.
Clean only with a dry cloth.
Keep children away from the charging area. Keep the charger 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 the reach of children.
Unplug the battery charger when not in use.
Stay alert. Use common sense. Do not operate this equipment when you are tired or impaired.
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. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. Contact the manufacturer at 1-888-394-3392 for more information.

NOTE: 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 ratio communications. However, there is no guarantee that interference will not occur in a particular installation. If this 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 the equipment and the 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.

NOTICE: Per FCC Part 15, changes or modifications to this equipment not expressly approved by DeWALT could void your authority to operate this equipment.

READ ALL INSTRUCTIONS

WARNING: Specific Safety Instructions for Power Cords

Don’t abuse the cord. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. Never carry the apparatus by cord or yank it to disconnect from receptacle. Keep the 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.

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.
Extension Cords for Battery Chargers

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.

WARNING: Specific Safety Instructions for LEAD-ACID Battery Chargers

This unit was designed for household use only.
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.
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.
THIS UNIT IS NOT FOR USE BY CHILDREN AND SHOULD ONLY BE OPERATED BY ADULTS.

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 6V or 12V LEAD-ACID battery only. It is not intended to supply power to a low-voltage electrical system other than in a starter-motor application.
Never attempt to charge non-rechargeable batteries.
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.
WARNING – To reduce the risk of fire: Do not expose to extreme heat or flames.
CAUTION – To reduce the risk of injury or property damage:
NEVER ATTEMPT CHARGE A FROZEN BATTERY.
Do not charge the battery while the engine is operating.
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.
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 apparatus.
Do not operate this apparatus 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 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.

WARNING: Specific Safety Instructions for Lithium Batteries

12V Lithium charge mode is designed for 12-volt lithium-ion batteries only, including iron phosphate.
WARNING: Use this mode with extreme care. This mode should only be used with 12V Lithium-ion automotive batteries that have a built-in battery management system (BMS). Lithium-ion batteries are made and constructed in different ways and some may or may not contain a battery management system (BMS). Consult the Lithium-ion battery manufactures before charging and ask for recommended charging rates and voltages. Some Lithium-ion batteries may be unstable and unsuitable for charging.
**** WARNING: – To reduce the risk of fire, electric shock, burst hazard, or injury to persons or property:

Lithium batteries must be used and charged properly. Improper use can result in serious injury, fire, or death.
Lithium-ion batteries can explode in the presence of a source of ignition. Do not use lithium battery in the presence of an open flame.
Do not place this lithium-ion battery unit in fire or apply heat to it.
Do not subject lithium battery to strong impacts or shocks. Or it may cause the battery to generate heat, rupture or ignite.
Do not expose lithium battery to water or salt water, or allow the battery to get wet.
Avoid storing lithium battery in the basement, bathroom or other areas of the house that are or may become wet or humid or where moisture may concentrate.
Do not leave lithium battery in direct sunlight, or use or store it inside cars in hot weather. Doing so may cause the battery to generate heat, rupture, or ignite.
Never charge lithium battery near heat or flammable objects.
WARNING: NEVER THROW WATER ON A BURNING LITHIUM BATTERY! If a lithium battery does catch on fire, it will burn even more violently if it comes in contact with water or even moisture in the air. A fire extinguisher must be used.

Preparing to Charge A LEAD-ACID Battery

Be sure area around battery is well ventilated while battery is being charged.
Remove battery completely from boat/airplane or any confined area before charging.
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.
Clean battery terminals, taking care to avoid getting corrosive material in eyes.
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.
Study all battery manufacturer’s specific precautions, such as removing or not removing cell caps while charging, and recommended rates of charge.
Determine voltage of battery to be charged by referring to the vehicle manual. The unit is for charging a 6 Volt/12 Volt lead-acid battery only.

CHARGER LOCATION

IMPORTANT: Only use the unit on a flat, level surface to avoid movement during operation.

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 charger.
CONNECTION PRECAUTIONS
Connect and disconnect output clamps only after removing AC cord from electric outlet.
Never allow clamps to touch each other.
Attach clamps to battery and chassis as indicated in “Follow these steps when the battery is installed in a vehicle” steps 5 and 6, or in “Follow these steps when the battery is installed in a vehicle” steps 2 to 5.

FOLLOW THESE STEPS WHEN THE BATTERY IS INSTALLED IN A VEHICLE

WARNING: A spark near the battery may cause an explosion. To reduce risk of a spark near the battery:

Position AC and clamp cords to reduce risk of damage by hood, door, or moving engine part.
Stay clear of fan blades, belts, pulleys, and other parts that cancause injury to persons.
Check polarity of battery posts. POSITIVE (POS, P, +) battery post usually has larger diameter than NEGATIVE (NEG, N, –) post.
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.
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.
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.
When disconnecting charger, disconnect AC cord, remove clamp from vehicle chassis, and then remove clamp from battery terminal.
Do not charge the battery while the engine is operating.
See operating instructions for length of charge information.

FOLLOW THESE STEPS WHEN THE BATTERY 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:

Check polarity of battery posts. The Positive post (marked POS,P, +) usually has a larger diameter than the Negative battery post (marked NEG, N, –).
Attach a 24-inch (minimum length) AWG #6 insulated battery cable to the Negative battery post (marked NEG, N, –).
Connect the Positive (RED) battery clamp to the Positive battery post (marked POS, P, + or red).
Stand as far back from the battery as possible, and do not face battery when making final connection.
Carefully connect the NEGATIVE (BLACK) charger clamp to the free end of the battery cable connected to the negative terminal.
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.

CHECK UNIT PERIODICALLY FOR WEAR AND TEAR.
RETURN TO MANUFACTURER FOR REPLACEMENT OF WORN OR DEFECTIVE PARTS IMMEDIATELY.

REPARE TO CHARGE A 12V LITHIUM AUTOMOTIVE BATTERY

Be sure the area around battery is well ventilated while the battery is being charged.
Charge 12V lithium automotive battery only. Any other uses may result in risk of fire, electric shock or electrocution.
Do not expose the charger to rain or snow.
Study all battery manufacturer’s specific precautions, and recommended rates of charge.

CHARGER LOCATION

Locate the charger as far away from the battery as cables permit.
Never place the charger directly above the battery being charged; gases from the battery will corrode and damage the charger.
Never operate the charger in a closed-in area or restrict ventilation in any way.

CONNECTING THE CHARGER CONNECTION PRECAUTIONS

Connect and disconnect output clamps only after removing AC Power Cord from electric outlet.
Never allow the clamps to touch each other.
Attach the clamps to the lithium battery respecting the polarity.

WARNING: Personal Safety

Stay clear of fan blades, belts, pulleys, and other parts that can cause injury to persons.
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.
Never smoke or allow a spark or flame in vicinity of vehicle battery, engine or battery charger.
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 serious 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 the engine.

SAVE THESE INSTRUCTIONS FOR FUTURE USE

Main Unit Components

(Fig. 1)

A. LCD Screen
B. 6V/12V Selection Button
C. 12V Lithium Charging Button
D. AC Plug
E. Battery Clamps
F. Cooling Fan

FRONT OF UNIT
Main Unit Components
BACK OF UNIT

LCD Display Detail

(Fig. 2)
LCD Display Detail

Preparing to Charge A LEAD-ACID Battery

WARNING: TO REDUCE THE RISK OF INJURY OR PROPERTY DAMAGE:

Always disconnect the AC plug from the AC outlet first before disconnecting the charger from the battery to be charged.
Ensure that all installation, operating instructions and safety precautions are understood and always carefully followed by the steps outlined in the “IMPORTANT SAFETY INSTRUCTION” section at the front of this manual.

Plug the AC cord into a functioning AC outlet. Press the 6V / 12V Selection Button to select charging voltage depending upon the battery you are charging.
Attention: Please wait for few seconds to toggle the 6V or 12V or Lithium battery charging mode by pressing the button.
The backlit LCD screen will show the following (6V or 12V icon will light solid):
Connect the battery charger to the battery using the battery clamps, following the appropriate directions in the “Preparing to Charge A LEAD-ACID Battery” section at the front of this manual.
The LCD screen will show the following (6V or 12V icon will light solid, as well as the battery icon):

Notice: If the battery clamps are connected incorrectly with regard to polarity, the LCD screen shows the following (the fault icon will flash; the 6V or 12V icon and the battery icon will light solid):

Remove the clamps and then reconnect the clamps properly.
After a few seconds, the charging process will start automatically. The LCD screen will show the following (6V or 12V icon will light solid, as well as the battery icon; the charging current and charging voltage will display alternatively for every 3 seconds.):

CAUTION: If wrong charging mode is selected, the unit will not charge the battery. The LCD screen will show the following (6V or 12V icon and the fault icon will flash):

IMPORTANT: If the unit is overheated, the charging process will automatically terminate and the LCD screen will flash the overheat icon and the fault icon. The 6V or 12V icon and the battery icon light solid.):

Disconnect the charger and allow the charger to cool for several minutes. Make sure there is adequate ventilation around the unit before attempting to charge again.
When the battery is completely charged, the unit automatically goes into float charge mode and the LCD screen displays the following:

The digital display shows “FLO” to indicate that the unit is in float charge mode. In this mode, the unit monitors the battery voltage and charges as necessary to assure the battery maintains full capacity. The unit remains in float charge mode as long as the charger is connected to the battery and plugged into a functioning AC outlet.

When disconnecting charger, disconnect the AC cord, remove clamp from vehicle chassis, and then remove clamp from battery terminal.

Charging 12V Lithium Automotive Battery

WARNING: – Always follow the “SPECIFIC SAFETY INSTRUCTIONS FOR LITHIUM BATTERIES” section.

WARNING: – To reduce the risk of injury or property damage:

Always disconnect the AC plug from the AC outlet first before disconnecting the charger from the battery to be charged.
Ensure that all installation, operating instructions and safety precautions are understood and observed; then follow the steps outlined in the appropriate section (“Prepare to Charge A 12V Lithium Automotive Battery”).

Plug the AC cord into a functioning AC outlet. Press the Lithium Charging Button.
Notice: Please wait for few seconds to toggle the 6V or 12V or Lithium battery charging mode by pressing the button.
The backlit LCD screen will show the following (12V and Li icon will light solid):
Connect the battery charger to the battery using the battery clamps, following the appropriate directions in the “Preparing.
The LCD screen will show the following (12V icon and Li icon will light solid, as well as the battery icon):

IMPORTANT: If the battery clamps are connected incorrectly with regard to polarity, the LCD screen shows the following (the fault icon will flash; the 12V icon, Li icon and the battery icon will light solid):
Remove the clamps and then reconnect the clamps properly.
After a few seconds, the charging process will start automatically. The LCD screen will show the following (12V icon and Li icon will light solid, as well as the battery icon; the charging current and charging voltage will display alternatively for every 3 seconds.)

If the charger is overheated, the charging process will automatically terminate and the LCD screen will flash the overheat icon and the fault icon. The 12V icon, Li icon and the battery icon light solid.

Disconnect the connections. Allow the charger to cool down for a period before resuming charging.
When the battery is completely charged, the LCD Screen shows the following (12V icon, Li icon, battery icon and FLO icon will light solid):
When disconnecting the battery charger, unplug the AC power cord, remove the clamps from the battery.

CAUTION: Please make sure you select Lithium Battery Charging mode to charge a 12V lithium automotive battery.

Care and Maintenance

CLEANING AND STORAGE

To reduce the risk of electric shock, unplug the battery charger from the outlet before attempting any maintenance or cleaning. Turning off the controls will not reduce this risk.

Store the unit in a clean, dry, cool place when not in use.
Never submerge this unit in water. Dirt and grease may be removed from the exterior of the unit using a cloth or soft non-metallic brush.
Never let any liquid get inside the unit; never immerse any part of the unit into a liquid.
To maintain the operating condition and maximize the life of the charger cords, always coil them loosely for storage. Do not wrap them around the unit or crimp them with a tight band.

CAUTION: TO REDUCE THE RISK OF INJURY OR PROPERTY DAMAGE: Ensure that unit is completely disconnected from battery and power source before cleaning. Turning off controls will not reduce this risk.

Troubleshooting

Problem	Possible Solution
Unit not charging

Check that the charger is properly connected to a live AC outlet.
Check that the correct voltage setting has been selected for the battery being charged.
The charger may overheat. Disconnect the connections. Allow the charger to cool down for a period. Ensure there are adequate ventilation around the charger before attempting to charge again.
If the battery to be charged has fallen below 2 volts, the battery cannot be recharged with this unit.

Accessories

WARNING: Since accessories, other than those offered by DeWALT, have not been tested with this product, use of such accessories with this unit could be hazardous. To reduce the risk of injury, only DeWALT recommended accessories should be used with this product.

If you need assistance regarding accessories, please contact the manufacturer at 1-888-394-3392 or CustomerService@dewalt12volt.com.

Specifications

Input	120V AC, 60Hz, 1.7A

Ouput (6V / 12V LEAD-ACID

Charging Mode)

| 6V / 12V DC, 10A
Output (12V Lithium Battery Charging Mode)| 12V DC, 10A

One Year Limited Warranty

The manufacturer warrants this product against defects in material and workmanship for a period of one (1) year from the date of retail purchase by the original end-user purchaser (“Warranty Period”). If there is a defect and a valid claim is received within the Warranty Period, the defective product can be repaired, replaced or refunded, without charge, in the following ways: (1) Return the product to the manufacturer for repair, replacement or refund at manufacturer’s option. Proof of purchase may be required by manufacturer. (2) Return the product to the retailer where product was purchased for an exchange (provided that the store is a participating retailer). Returns to retailer should be made within the time period of the retailer’s return policy for exchanges only (usually 30 to 90 days after the sale). Proof of purchase may be required. Please check with the retailer for their specific return policy regarding returns that are beyond the time set for exchanges. This warranty does not apply to: accessories, bulbs, fuses and batteries; defects resulting from normal wear and tear, accidents; damages sustained during shipping; alterations; unauthorized use or repair; neglect, misuse, abuse; and failure to follow instructions for care and maintenance for the product.
This warranty gives you, the original retail purchaser, specific legal rights and you may have other rights which vary in certain states or provinces. This product is not intended for commercial use.

90 DAY REFUND POLICY

If you are not completely satisfied with the performance of this product for any reason, you can return it within ninety (90) days from the date of purchase with a receipt for a full refund.
Please visit our website www.baccusglobal.com/register to register your new Baccus Global LLC product and to be kept up to date on new products and special offers.

Manufactured and Imported by Baccus Global, LLC,
621 NW 53rd St., Suite 450, Boca Raton, FL 33487
www.dewalt12volt.com 1-888-394-3392
Made in China

Service Information

Whether you need technical advice, repair, or genuine factory replacement parts, contact the manufacturer at 1-888-394-3392 or
CustomerService@dewalt12volt.com.

Copyright © 2022 Baccus Global, LLC. DeWALT® and the DeWALT
Logo are trademarks of the DeWALT Industrial Tool Co., or an affiliate thereof and are used under license. The yellow/black color scheme is a trademark for DeWALT power tools & accessories.
www.dewalt12volt.com