Milwaukee M12™ Li-Ion Battery Charger and Battery Packs Operator's Manual

Important Safety Instructions

WARNING: READ AND UNDERSTAND ALL INSTRUCTIONS. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious personal injury.

SAVE THESE INSTRUCTIONS

• This manual contains important safety and operating instructions for this MILWAUKEE Li-Ion charger and MILWAUKEE Li-Ion battery packs.
• Before using the battery pack and charger, read this operator's manual, your tool operator's manual, and all labels on the battery pack, charger and tool.
• CAUTION: Use MILWAUKEE Li-Ion battery packs only on recommended MILWAUKEE Li-Ion products. Do not use counterfeit, aftermarket, or "knockoff" batteries or chargers. Do not wire a battery pack to a power supply plug or car cigarette lighter.
• Avoid dangerous environments. Do not charge battery pack in rain, snow, damp or wet locations. Do not use battery pack or charger in the presence of explosive atmospheres (gaseous fumes, dust or flammable materials) because sparks may be generated when inserting or removing battery pack, possibly causing fire.
• Charge in a well ventilated area. Do not block charger vents. Keep them clear to allow proper ventilation. Do not allow smoking or open flames near a charging battery pack. Vented gases may explode.
• Maintain charger cord. When unplugging charger, pull plug rather than cord. Never carry charger by its cord. Keep cord from heat, oil and sharp edges. Make sure cord will not be stepped on, tripped over or subjected to damage or stress. Do not use charger with damaged cord or plug. Have a damaged charger replaced immediately.
• Avoid using an extension cord when possible. When unavoidable, use a properly wired 16 gauge or larger extension cord with pins that are the same number, size and shape as the pins on the charger. Make sure that the extension cord is in good electrical condition.
• Charger is rated for 120 Volt AC only. Charger must be plugged into an appropriate receptacle.
• Use only attachments recommended by the battery/charger manufacturer.
• Unplug charger and remove battery packs when not in use.
• Always unplug charger before cleaning or maintenance. Do not allow water to flow into AC/DC plug. Use a Ground Fault Circuit Interrupter (GFCI) ? to reduce shock hazards.
• Do not burn or incinerate batteries. Batteries may explode. Toxic fumes and materials are created when batteries are burned.
• Do not crush, drop, or damage battery pack. Always securely contain battery packs during transport. Do not use a battery pack that has received a sharp blow, been dropped, run over, or damaged in any way (e.g., pierced with a nail, hit with a hammer, stepped on, in a vehicle accident). Do not use or charge batteries that appear damaged or swollen, or are not functioning properly.
• Do not disassemble battery pack or charger. If it is damaged, take it to a MILWAUKEE service facility.
• Battery chemicals cause serious burns. Never allow contact with skin, eyes, or mouth. If a damaged battery pack leaks battery chemicals, use rubber or neoprene gloves to dispose of it. If skin is exposed to battery fluids, wash with soap and water and rinse with vinegar. If eyes are exposed to battery chemicals, immediately flush with water for 20 minutes and seek medical attention. Remove and dispose of contaminated clothing.
• Do not short circuit. A short-circuited battery pack may cause fire, personal injury, and product damage. A battery pack will short circuit if a metal object makes a connection between the positive and negative contacts on the battery pack. Do not place a battery pack near anything that may cause a short circuit, such as coins, keys or nails in your pocket.
• Do not allow fluids to flow into battery pack. Corrosive or conductive fluids, such as seawater, certain industrial chemicals, and bleach or bleach containing products, etc., can cause a short circuit.
• Store your battery pack and charger in a cool, dry place. Do not store battery pack where temperatures may exceed 120°F (50°C) such as in direct sunlight, a vehicle or metal building during the summer.
• Maintain labels and nameplates. These carry important information. If unreadable or missing, contact a MILWAUKEE service facility for a free replacement.

Specifications

Functional Description

The Milwaukee M12™ Li-Ion Battery Charger is designed to charge M12™ Li-Ion battery packs.

Key Components:

• 1. Contacts: Connects to the battery terminals.
• 2. Release buttons: Used to detach the battery pack from the charger.
• 3. Vents: Allow for proper ventilation during charging.
• 4. Bay: Where the battery pack is inserted.
• 5. Light indicators: Provide status information during charging.

Indicator Light Status:

• Continuous red: Charging in progress.
• Continuous green: Charging complete.
• Flashing red: Battery pack is too hot or too cold. Charging will begin automatically when the battery reaches the correct charging temperature.
• Flashing red/green: Indicates a damaged or faulty battery pack.

Symbology

The following symbols may be found on the charger and battery packs:

• V: Volts
• ---: Direct Current
• ~: Alternating Current
• [Double Insulation]: Double Insulated
• ♻️: Properly Recycle Batteries
• BFP: Backfeed Protected
• Hz: Hertz
• A: Amps
• mA: Milliamps
• UL: UL Listing for Canada and U.S.

Charging and Battery Information

WARNING: To reduce the risk of injury or explosion, never burn or incinerate a battery pack even if it is damaged, dead or completely discharged. When burned, toxic fumes and materials are created.

Charging a Hot or Cold Battery Pack

The red flashing indicator light on the charger indicates that the battery pack temperature is outside the charging range. Once the battery pack is within the acceptable range, normal charging will take place and the red light will be continuous. Hot or cold batteries may take longer to charge.

When to Charge the Battery Pack

Remove the battery pack from the tool for charging when convenient. MILWAUKEE batteries do not develop a "memory" when charged after only a partial discharge. It is not necessary to run down the battery pack before placing it on the charger.

• Use the fuel gauge (on the tool) to determine when to charge your MILWAUKEE Li-Ion battery pack.
• You can "Top-Off" your battery pack's charge before starting a big job or long day of use.
• The only time it is necessary to charge the MILWAUKEE Li-Ion battery pack is when the battery pack has reached the end of its charge. Power to the tool will drop quickly, allowing you just enough power to finish a task. Charge the battery pack as needed.

How to Charge the Battery Pack

Align the battery pack with the bay and slide it into the charger as far as possible. The red light will come on, either flashing (battery pack is too hot or cold) or continuous (pack is charging). Charge time depends on battery capacity. Heavily cycled batteries may take longer to charge completely.

After charging is complete, the continuous green light will come on. The charger will keep the battery pack fully charged if it is left on the charger.

If the light indicator flashes red and green, check that the battery pack is fully seated. Remove and reinsert the battery. If the problem persists, remove the pack, unplug the charger for at least 2 minutes, then plug it back in and reinsert the pack. If the problem persists, contact a MILWAUKEE service facility.

If the light indicator does not come on, check that the battery pack is fully seated. Remove and reinsert the battery. If the light indicator still does not come on, remove the pack, unplug the charger for at least 2 minutes, then plug it back in and reinsert the pack. If the light indicator still does not come on, contact a MILWAUKEE service facility.

Powering the Charger with an Inverter or Generator

The charger will operate with most generators and inverters rated at 100 Watts or higher.

Maintenance

WARNING: To reduce the risk of fire, personal injury, and product damage due to a short circuit, never immerse a tool, battery pack or charger in fluid or allow a fluid to flow inside them. Corrosive or conductive fluids, such as seawater, certain industrial chemicals, and bleach or bleach containing products, etc., can cause a short circuit.

Always unplug the charger and remove the battery from the charger before performing any maintenance. Never disassemble the battery or charger. Contact a MILWAUKEE service facility for ALL repairs.

Cleaning

Do not expose battery packs, chargers or tools to fluids, water, or rain, or allow them to get wet. This could damage the tool, charger, and/or battery pack. Clean out dust and debris from tool, charger and battery vents and electrical contacts by vacuuming or brushing. Clean housings with a damp, soapy cloth, keeping away from all electrical contacts. Certain cleaners and solvents, such as gasoline, turpentine, lacquer thinner, paint thinner, bleach, chlorinated cleaning solvents, ammonia and household detergents containing ammonia, are harmful to plastics and other insulated parts; plastic casings will become brittle and crack. Never use flammable or combustible solvents around batteries, charger, or tools.

Storage

Store your charger in a cool, dry place. As a general practice, it is best to unplug chargers and remove battery packs when not in use. Store at room temperature away from moisture. Store batteries upright. Do not store in damp locations where corrosion of terminals may occur. Storing in high temperatures (over 120°F) for long periods can result in permanent capacity loss for any battery. Charge before use after storing for long periods.

Repairs

The charger has no serviceable parts.

Service and Warranty Information

Service - United States

Phone: 1-800-SAWDUST (1.800.729.3878)

Hours: Monday-Friday, 7:00 AM - 6:30 PM CST

Website: www.milwaukeetool.com

For technical, service/repair, or warranty questions, contact Corporate After Sales Service Technical Support.

Email: metproductsupport@milwaukeetool.com

Service - Canada

Company: Milwaukee Tool (Canada) Ltd

Phone: 1.877.948.2360

Hours: Monday-Friday, 7:00 AM - 4:30 PM CST

Website: www.milwaukeetool.ca

Limited Warranty - USA & Canada (Battery Packs)

Every MILWAUKEE Battery Pack is warranted to the original purchaser from an authorized MILWAUKEE distributor to be free from defects in material and workmanship for the stated warranty period from date of purchase. Return of the battery pack to a MILWAUKEE factory Service Center location or MILWAUKEE Authorized Service Station, freight prepaid and insured, is required. A copy of the proof of purchase should be included.

This warranty does not apply to damage from unauthorized repairs, misuse, alterations, abuse, normal wear and tear, lack of maintenance, or accidents.

Warranty Registration is not necessary. The manufacturing date will determine the warranty period if no proof of purchase is provided.

*Specific warranty details for M18™, V18™, V28™ models apply as described in the original document.

Legal Disclaimer: Acceptance of exclusive repair and replacement remedies is a condition of the contract for purchase. Milwaukee shall not be liable for incidental, special, consequential, or punitive damages. Implied warranties are limited to the duration of the express warranty.

Storage and Care

Storage: Store your charger in a cool, dry place at room temperature, away from moisture. Do not store in damp locations or in high temperatures (over 120°F) for extended periods.

Maintenance: Always unplug the charger and remove the battery before cleaning or maintenance. Clean vents and contacts with a vacuum or brush. Clean housings with a damp, soapy cloth. Never use flammable or combustible solvents.

Repairs: The charger has no serviceable parts. Contact a MILWAUKEE service facility for all repairs.