Milwaukee M18 REDLITHIUM XC 5.0 Ah Battery – Model 48-11-1850

Contents of the Milwaukee M18 5.0 Ah Battery

This purchase provides you with the essential high-performance power to maximize the productivity of your Milwaukee M18 tools. You receive a brand-new battery with a full manufacturer's warranty, ready to power your cordless equipment immediately.

Included in your order:

1x Milwaukee M18 REDLITHIUM XC 5.0 Ah battery (48-11-1850)

High-capacity lithium-ion battery with REDLITHIUM XC technology for extended runtime. Rugged construction with internal metal frame and shock-absorbing rubber overmolding for maximum durability on the jobsite. Integrated 4-level LED indicator instantly shows the remaining charge, allowing you to plan your work without interruption.

Advantages of the Milwaukee M18 5.0 Ah Battery

Extended battery life for maximum productivity

With a 5.0 amp-hour capacity, this battery offers up to 2.5 times more runtime than standard batteries. Work longer between charges and complete your projects without constantly waiting at the charger.

All-weather performance

Operates without power loss down to -18°C, ideal for harsh Quebec winters. Unlike ordinary batteries that lose 30-50% of their capacity in extreme cold, REDLITHIUM technology maintains its optimal performance.

Universal M18 compatibility

A single battery powers over 250 different tools on the Milwaukee M18 platform. Simplify your equipment by standardizing on the M18 system and eliminate the clutter of multiple incompatible systems.

Doubled lifespan

Thanks to advanced thermal management and REDLINK Intelligence protection, this battery offers up to twice as many recharge cycles as standard lithium-ion batteries. A sustainable investment that reduces your long-term costs.

Recommended Additional Accessories

Optimize your investment:

Milwaukee M18/M12 Multi-Voltage Rapid Charger- Full recharge in 90 minutes, compatible with M18 and M12. LED indicators to track progress. Sold separately.

Milwaukee M18 REDLITHIUM HIGH OUTPUT 6.0 Ah battery- Superior capacity for ultra-demanding applications and high-power tools. Sold separately.

Set of 2 Milwaukee M18 5.0 Ah Batteries- Save money with the double pack for uninterrupted rotating operation. Sold separately.

First Use

Optimal activation of your new Milwaukee M18 5.0 Ah battery:

1. Initial Inspection- Visually inspect the casing and contacts for damage. Ensure the LED indicator is working by pressing the test button.

2. Full initial charge- Charge the new battery for 90-120 minutes with a Milwaukee M18 charger until the indicator shows a full charge. This initial charge conditions the cells for optimal performance.

3. Break-in cycle- For the first 3-5 cycles, discharge the battery to 20-30% before recharging. This calibrates the management system and maximizes future capacity.

4. Compatibility Test- Install the battery on your M18 tool, check the secure lock, and test for a few seconds. The tool's LED indicator should light up, confirming the connection.

Regular Maintenance

To maximize the lifespan of your Milwaukee M18 battery:

After each use:

• Remove the battery from the tool to prevent unwanted discharge.
• Wipe the contacts with a dry cloth to remove dust and debris
• Visually inspect the condition of the casing and the rubber overmolding.

Load management:

• Recharge before the battery reaches 20% to preserve the cells
• Avoid leaving the battery discharged for more than 48 hours.
• Do not leave the battery on the charger for more than 24 hours after a full charge.

Recommended rotation:

• If you have multiple batteries, alternate their use for even aging.
• Use the LED indicator to check the level before each work session.

Cleaning and Maintenance

Deep monthly cleaning:

1. Outer casingClean with a slightly damp cloth and mild soap. Dry completely before use. Never use solvents or harsh cleaners that will damage the overmolding.

2. Electrical contacts- Gently clean with a pencil eraser or dry cloth to remove oxidation. Clean contacts ensure optimal connection and reduce overheating.

3. Ventilation vents- Gently blow to dislodge accumulated dust. Clear vents allow for efficient heat dissipation and extend lifespan.

4. LED indicator- Clean the surface with a microfiber cloth for maximum readability. Test the operation monthly.

Suggested frequency:Complete cleaning every 30 days of intensive use, every 3 months for occasional use.

Precautions for Use

For your safety:

Avoid extreme temperatures- Do not charge below 0°C or above 40°C. Charging in cold or excessively hot weather permanently damages lithium-ion cells and drastically reduces capacity.

Do not short-circuit the contacts- Always store the battery away from metal objects. A short circuit can cause overheating, fire or explosion.

Stop if abnormal overheating occurs.- If the battery becomes excessively hot during normal use, stop immediately and allow it to cool for 30 minutes. Persistent overheating indicates a fault requiring professional inspection.

Never open the case- Factory sealed battery; any attempt to open it will void the warranty and pose serious risks. All repairs should be carried out by an authorized Milwaukee service center.

Avoid violent impacts- Although resistant, avoid repeated drops from more than 2 meters. Inspect after a significant drop and discontinue use if any deformation is visible.

Storage Tips

Short-term storage (less than 2 weeks):

• Recommended charge level: 40-60% (2-3 LEDs lit)
• Ideal temperature: 15-25°C in a dry place
• Remove the battery from the tool to prevent slow discharge

Long-term storage (more than 2 weeks):

• Optimal charge level: 50% (2 LEDs lit) to preserve the cells
• Temperature: 10-20°C in a dry environment, away from direct light
• Check the charge every 30 days and recharge to 50% if necessary
• Perform a complete charge-discharge cycle every 3-4 months to maintain cell health

Winter storage in Quebec:

• Never store in a vehicle or unheated garage during winter.
• Temperatures below -20°C during storage can damage cells
• An air-conditioned space or a temperate basement is ideal.
• Allow the battery to reach room temperature before use or charging after exposure to cold.

Expected lifespan with proper storage:3-5 years with 80% capacity retained if proper maintenance is carried out. Up to 1000 recharge cycles under optimal conditions.

Milwaukee Warranty Cover

Warranty period:

• 3-year limited Milwaukee manufacturer's warranty from the date of purchase
• Milwaukee 30-day satisfaction guarantee against manufacturing defects
• Extended coverage available for registered business users
• The warranty begins on the date of shipment or in-store purchase.

What Is Covered

The Milwaukee and Polar Industrial Equipment limited warranty covers:

Manufacturing defects- Any manufacturing defect affecting the normal operation of the battery, including premature failure of the cells or the protection circuit. Milwaukee will replace or repair it free of charge.

Material defects- Problems related to the quality of internal components, faulty contacts, cracked casing without external impact, or a defective LED indicator upon purchase. Replacement guaranteed under warranty.

Abnormal performance- Capacity loss exceeding 30% during the first year of normal use, or inability to maintain charge despite new cells. Milwaukee will assess and replace if the defect is confirmed.

Labor included- All diagnostic, repair, and return shipping costs are covered by Milwaukee during the warranty period. No hidden charges for valid claims.

What Milwaukee will do:

• Free replacement of the defective battery with a new or refurbished unit
• Professional repair at an authorized service center if repairable
• Full refund if replacement is impossible (at Milwaukee's discretion)

Warranty Exclusions

The warranty does NOT cover:

❌Normal wear and tear- Gradual decrease in capacity after 500+ recharge cycles, discoloration of the case, or superficial cosmetic wear without functional impact.

❌Physical damage- Violent drops, crushing, punctures, exposure to water or complete immersion, burns or deformation of the casing caused by impact.

❌Misuse- Use on non-Milwaukee tools, modification of the housing or circuits, attempt at personal repair, or use with chargers not authorized by Milwaukee.

❌Extreme conditions not met- Prolonged exposure to out-of-specification temperatures, storage in corrosive environments or excessive humidity, or loading in environments below 0°C.

❌Neglect of maintenance- Dirty, uncleaned contacts causing overheating, battery left discharged for months, or prolonged storage at 100% charge causing cell degradation.

❌Batteries that have been resold or are used- Non-transferable warranty, valid only for original purchaser with proof of purchase.

Complaint Procedure

How to file a claim in 3 steps:

Step 1: Documentation

• Keep your original Polar Industrial Equipment purchase invoice
• Note the model number (48-11-1850) and the purchase date.
• Photograph the faulty battery and document the problem encountered.
• Prepare a detailed description of the defect and the context of use.

Step 2: Contact

Polar Industrial Equipment Customer Service (30-day money-back guarantee):

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

Milwaukee Canada warranty service (3-year manufacturer's warranty):

• Website:www.milwaukeetool.ca/support
• Locator of authorized service centers available online

Step 3: Return and processing

• For Polar Industrial Equipment returns: Pack securely and return to the address provided with the RMA number
• For Milwaukee claims: Bring to an authorized service center or ship as instructed
• Processing time: 5-10 business days for Polar Industrial Equipment, 2-4 weeks for Milwaukee
• You will receive a free battery replacement or repair if your claim is approved.

Additional Advantages of Polar Industrial Equipment:

• Quick assessment within 24-48 hours for 30-day returns
• Bilingual French-speaking team for service in French
• Exchanges available in store for local Quebec customers