SKU MLW-48-11-2430 Only 1 left

MILWAUKEE REDLITHIUM M12 3AH 48-11-2430 LITHIUM-ION BATTERY

Contents of Your Milwaukee M12 3Ah Battery

You will receive a ready-to-use Milwaukee M12 RedLithium 48-11-2430 battery, compatible with all your M12 cordless equipment.

Included in your order:

1x Milwaukee M12 RedLithium 48-11-2430 3.0 Ah battery

High-performance lithium-ion battery with exclusive Milwaukee RedLithium technology. Integrated 3-level LED indicator for instant monitoring of remaining charge. Reinforced, shock-resistant casing ensures maximum protection on demanding jobsites.

Advantages of the Milwaukee M12 3Ah Battery

Consistent performance until complete exhaustion

RedLithium technology maintains consistent power from start to finish, unlike conventional batteries that lose performance. Your tools operate at full capacity even when the battery reaches 20% charge.

Universal compatibility with your M12 equipment

A single battery powers over 100 different tools on the Milwaukee M12 platform. A smart investment that maximizes the versatility of your tool arsenal without multiplying incompatible battery systems.

Superior durability with 2.5x more cycles

Thanks to advanced electronic management technology, this battery offers up to 2.5 times more recharge cycles than standard lithium-ion batteries. Enjoy a rapid return on your investment with an extended lifespan of several years.

Compact size for small spaces

The ergonomic 240-gram design preserves the balance and maneuverability of your M12 tools. Ideal for working at height, in cabinets, or under sinks where every centimeter counts.

Recommended Additional Accessories

Milwaukee M12-18C Rapid Charger- Full charge in 30 minutes, compatible with M12 and M18. Intelligent management extends battery life.

Milwaukee M12 6Ah RedLithium High Output Battery- Maximum battery life for intensive applications. Doubles the capacity for full days without recharging.

Set of 2 M12 5Ah Batteries + Charger- Complete solution with continuous rotation. One battery charges while the other is in use.

First Use

1. Full initial charge

Charge your new Milwaukee M12 3Ah battery for at least 60 minutes before first use. This initial charge optimizes the calibration of the lithium-ion cells and fully activates the integrated electronic management system.

2. Checking the LED indicator

Press the charge indicator button to confirm the level. 3 lit LEDs indicate a full charge, 2 LEDs indicate 33-66%, and 1 LED shows less than 33% capacity remaining.

3. Installation on your M12 tool

Align the battery with the guide rails of your Milwaukee M12 tool and push firmly until it clicks into place. Pull slightly to confirm the battery is securely attached before use.

4. Functionality test

Perform a quick test of your tool to ensure optimal connection. The 3Ah battery should deliver consistent power without interruption or loss of performance.

Regular Maintenance

To maximize the lifespan of your Milwaukee M12 3Ah battery:

After each use:

• Remove the battery from the tool to prevent any residual discharge.
• Clean the contacts with a dry cloth to remove dust and residue.
• Check the LED indicator and recharge before the battery level drops below 20%.
• Visually inspect the casing for any cracks or damage.

Load management:

• Recharge after each workday, even if the battery is not completely depleted.
• Avoid leaving the battery completely discharged for more than 24 hours.
• Use only genuine Milwaukee M12 or M12-18C magazines
• Do not charge immediately after intensive use; allow to cool for 10 minutes.

Recommended rotation:

• Alternate between 2-3 batteries if you own multiple M12 units
• Label your batteries with stickers to track usage cycles
• Replace batteries showing signs of swelling or reduced performance

Precautions for Use

For your safety:

Never expose to water or excessive humidity

The Milwaukee M12 battery is not waterproof. Exposure to water can cause dangerous short circuits and void the warranty. Wipe up any spills immediately and never charge a wet battery.

Avoid violent impacts and falls

Although robust, the casing can crack upon severe impacts. A physically damaged battery presents a risk of internal short circuit and must be removed from service immediately.

Do not use with incompatible tools

This battery is designed exclusively for the Milwaukee M12 system. Use with other brands or voltages may damage the battery and tool, and will void the warranty.

Respect the operating temperatures

Do not use the battery below -18°C or above 50°C. Extreme temperatures reduce performance and can permanently damage the lithium-ion cells.

Never disassemble or modify

Any attempt to open the casing voids the warranty and presents serious risks. Lithium-ion cells can release toxic substances and cause fires if mishandled.

Storage Tips

Short-term storage (less than 2 weeks):

• Keep the charge between 30% and 80% to preserve the cells
• Store in a dry place at room temperature between 15°C and 25°C
• Remove the battery from the tools to prevent any unwanted discharge.
• Check the charge level weekly with the LED indicator

Long-term storage (more than 2 weeks):

• Charge the battery to 50% before prolonged storage.
• Store in a dry environment between 10°C and 25°C
• Avoid unheated garages in Quebec during the winter
• Recharge every 3 months to maintain the health of the lithium-ion cells
• Inspect monthly for any signs of swelling or leakage.

Winter storage in Quebec:

• Never leave the battery in an unheated vehicle during winter.
• Store indoors in a temperate location between 15°C and 20°C
• Warm gradually to room temperature before use if exposed to cold
• Temperatures below -20°C can irreversibly damage the cells
• Expected lifespan with proper storage: 3 to 5 years or 1000+ recharge cycles

Milwaukee Warranty Cover

Warranty period:

• Milwaukee 3-year limited manufacturer's warranty
• Warranty begins on the date of purchase or shipment
• Coverage valid across Canada for products purchased from authorized retailers
• Product registration is recommended but not required to activate the warranty.

What Is Covered

The Milwaukee limited warranty covers:

Manufacturing defects

Any manufacturing defect affecting the normal operation of the battery, including faulty assembly of internal or external components, will be repaired or replaced free of charge by Milwaukee.

Material defects

Defective lithium-ion cells, cracked casing without external impact, prematurely corroded contacts, or a non-functional LED indicator for no apparent reason. Full coverage of inferior parts and components.

Abnormal performance

Capacity loss exceeding 20% ​​during the first year, inability to hold a charge, excessive overheating during normal use. Milwaukee will evaluate and replace batteries that do not meet performance standards.

What Milwaukee will do:

• Free battery repair with original parts
• Replacement with a new or refurbished battery of equivalent quality
• Refund of the purchase price if repair is impossible after 3 attempts

Warranty Exclusions

The warranty does NOT cover:

❌ Normal wear and tear

Gradual loss of capacity after 2-3 years of regular use, superficial scratches on the casing, discoloration of the plastic due to sun exposure. These are part of the normal lifespan.

❌ Physical damage

Cracks caused by drops, impacts or crushing of the battery. Deformed casing due to violent shocks or being run over by a vehicle. Contacts bent or broken by rough handling.

❌ Misuse

Use with non-Milwaukee chargers, intentional exposure to water or immersion, attempting to charge a frozen battery. Prolonged storage in a fully discharged state for more than 6 months.

❌ Extreme conditions

Exposure to temperatures below -20°C or above 60°C, storage in a constantly humid environment above 90%, proximity to sources of intense heat such as ovens or radiators.

❌ Negligence and modification

Disassembly or opening of the casing, attempted repair by unauthorized personnel, modification of electronic circuits. Complete lack of maintenance or cleaning of contacts for several years.

Complaint Procedure

How to file a claim in 4 steps:

Step 1: Documentation

• Keep your original purchase receipt as proof
• Take clear photos showing the problem encountered
• Note the date the defect appeared and the circumstances
• Have ready the model number 48-11-2430 visible on the battery

Step 2: Contact

Polar Industrial Equipment Customer Service (30-day returns):

• Telephone: 1-800-567-3206
• E-mail :info@equipementpolar.com
• Address: 3425 Wilfrid-Hamel Boulevard, Quebec
• Hours: Monday-Friday 8am-5pm

Milwaukee Canada Service (manufacturer's warranty):

• Visit milwaukeetool.ca/support to locate the nearest authorized service center
• Contact 1-800-SAWDUST (729-3878) for telephone support

Step 3: Return

• Pack the battery in its original packaging or equivalent protective box.
• Include the invoice, your full contact details, and a detailed description of the problem.
• Ship to the nearest authorized Milwaukee service center in your area
• Keep the tracking number for reference during processing

Step 4: Processing

• Evaluation timeframe of 5 to 10 business days after receipt
• Milwaukee will inspect the battery to determine if the defect is covered.
• Repair or replacement shipped within 2 to 3 weeks maximum
• Email notification at each stage of the claims process

Additional Benefits:

• Free technical support by phone or email for the entire lifespan of the product
• Access to authorized Milwaukee service centers across Canada
• Free recycling program for end-of-life batteries at Polar Industrial Equipment