PACK OF 10 MAKITA 18V 5.0 AH BATTERIES BL1850B

Contents of the 10-pack of Makita BL1850B batteries

Equip yourself with a complete power solution for your Makita 18V tools with this economical 10-pack of high-capacity batteries. This professional set ensures uninterrupted runtime on your most demanding job sites.

Included in your order:

10x Makita BL1850B 18V 5.0 Ah Battery

Professional-grade lithium-ion batteries with an integrated 4-level LED indicator. Each unit delivers 5.0 amp-hours for maximum runtime, providing up to 2 hours of continuous use on a standard drill/driver and 45 minutes on a circular saw. Rugged construction with an overmolded case offers exceptional shock protection and resistance to harsh jobsite conditions.

Advantages of the 10-Battery Pack

Substantial savings

By purchasing this 10-pack of batteries, you save over $300 compared to buying 10 individual units. This solution represents a smart investment for entrepreneurs and professionals managing multiple teams or projects simultaneously.

Uninterrupted autonomy on site

With 10 rotating batteries, you completely eliminate downtime related to recharging. While one battery powers your tool, the others recharge, ensuring maximum productivity from morning to night.

Multi-team flexibility

Distribute batteries among your different employees and tools for optimal management of your equipment fleet. A single 18V LXT platform powers drills, saws, grinders, nailers, and over 100 other Makita tools.

Sustainable investment

Makita lithium-ion batteries offer up to 1500 full charge cycles, guaranteeing years of heavy-duty use. Advanced memory-free technology maintains optimal performance even after hundreds of recharges.

Recommended Additional Accessories

Optimize your investment:

• Makita DC18RD Dual Rapid Charger- Recharge 2 batteries simultaneously in 45 minutes, perfect for efficient rotation (sold separately)
• Makita DC18RC Single Rapid Charger- Cost-effective solution for fast individual charging in 45 minutes (sold separately)
• Makita carrying bag- Storage and protection for batteries when moving between worksites (sold separately)
• Makita 18V LXT Cordless Tool Set - Drill, impact driver, circular saw, grinder compatible with these batteries (sold separately)

First Use

Activating your new Makita batteries:

1. Full initial charge:Charge each new battery until the charger indicates a full charge, even if the LED indicator already shows a partial charge. This initial full charge optimizes the maximum capacity and calibrates the electronic management system.
2. LED indicator check:Press the LED indicator button to confirm that all 4 lights illuminate after the initial charge. If fewer than 4 lights illuminate, continue charging.
3. First complete cycle:Use the battery until it is completely depleted on first use, then fully recharge it. This initial cycle conditions the lithium-ion cells for optimal performance.
4. Compatibility test:Insert the battery into each of your Makita 18V tools to check that it is properly locked and connected. The tool's indicator light should illuminate instantly.

Regular Maintenance

To maximize the lifespan of your Makita batteries:

After each use:

• Remove the battery from the tool to prevent residual discharge.
• Wipe the electrical contacts with a dry cloth to remove dust and debris
• Check the condition of the gold contacts and clean them with a soft brush if necessary.

Load management:

• Recharge the batteries as soon as the LED indicator shows 1 light or less to preserve their lifespan.
• Avoid leaving the batteries completely discharged for more than 48 hours.
• Use only genuine Makita chargers to protect the electronic system

Recommended rotation:

• Number your batteries and alternate their use to distribute wear evenly.
• Inspect each battery monthly for cracks, deformation, or abnormal overheating

Precautions for Use

For your safety:

• Avoid extreme temperatures:Do not use the batteries if the ambient temperature exceeds 50°C or falls below -20°C. Use outside this range drastically reduces performance and can permanently damage the lithium-ion cells.
• Protect against moisture:Never leave batteries in the rain or in very humid environments. Although splash-resistant, they are not waterproof, and water ingress can cause a dangerous short circuit.
• Avoid violent impacts:Do not drop batteries from a height greater than 1 meter. A violent impact can damage the internal cells even if the external casing appears intact, creating a risk of future failure.
• Never disassemble or modify:Any attempt to disassemble the battery will void the warranty and presents a serious risk of fire or explosion. Lithium-ion batteries contain pressurized components that should only be handled by a qualified professional.
• Monitor during charging:Never leave batteries charging unattended overnight. Unplug the charger once fully charged to avoid prolonged overcharging, which reduces battery life.

Storage Tips

Short-term storage (less than 2 weeks):

• Store the batteries at room temperature between 15°C and 25°C
• Maintain a charge level between 40% and 80% (2-3 LED lights)
• Store in a dry place away from direct sunlight.
• Avoid contact with metallic objects that could short-circuit the terminals.

Long-term storage (more than 2 weeks):

• Charge the batteries to approximately 50-60% before prolonged storage (2 LED indicators).
• Store in a cool, dry environment between 10°C and 20°C
• Check the charge level every 2-3 months and recharge if necessary
• Store away from flammable materials and heat sources

Winter storage in Quebec:

• Never leave batteries in an unheated vehicle during a Quebec winter.
• If storing in an unheated garage, place them in an insulated container.
• Warm up cold batteries gradually before use by leaving them at room temperature for 1-2 hours
• Cold batteries (below 0°C) temporarily deliver less power but regain their full capacity once warmed up.

Expected lifespan with proper storage: 5 to 7 years with 80% of initial capacity maintained after 1500 cycles.

Makita Warranty Cover

Warranty period: 3-year limited manufacturer's warranty

• Type: Makita Limited Manufacturer's Warranty
• Coverage: Manufacturing and material defects only
• Starting point: Original purchase date with proof of purchase
• Additional guarantee: Makita 30-day satisfaction program (no questions asked returns if not satisfied)

What Is Covered

The Makita and Polar Industrial Equipment limited warranty covers:

Manufacturing defects:Any manufacturing defect affecting the normal operation of the battery, including assembly problems, faulty soldering, or improperly installed electronic components, will be repaired or replaced free of charge by Makita.

Material defects:Defective lithium-ion cells, a casing cracked during manufacturing, faulty electrical contacts, or a non-functional LED indicator due to a faulty original component. This includes any abnormal degradation of materials under normal operating conditions.

Abnormal performance under warranty:Excessive capacity loss (more than 50% in less than 6 months of normal use), inability to maintain a charge, abnormal overheating not caused by misuse, or unexplained rapid discharge. Makita will perform diagnostic tests to determine the cause.

What Makita will do:Depending on the assessment, Makita will repair the battery, replace it with a new or equivalent refurbished unit, or refund the purchase price if repair is impossible. Return shipping costs to the service center are covered by Makita for valid claims.

Warranty Exclusions

The warranty does NOT cover:

❌ Normal wear and tear:Gradual degradation of capacity over charge cycles (typically 10-15% after 500 cycles), natural discoloration of the casing, superficial scratches or cosmetic scuffs. Lithium-ion batteries naturally lose 1-2% of their capacity per year even without use.

❌ Physical damage:Cracks caused by drops or impacts, dented or deformed casing, bent or broken electrical contacts due to forced insertion, water infiltration due to immersion or prolonged exposure to rain. Any visible external damage indicating a violent impact automatically voids the warranty.

❌ Misuse:Use in extreme temperatures (below -20°C or above 50°C), intentional overcharging, repeated deep discharge, charging with non-Makita or counterfeit chargers. Any evidence of modification, disassembly, or attempted repair by an unauthorized person will void the warranty immediately.

❌ Inadequate storage conditions:Prolonged storage (more than 6 months) at no load, direct exposure to UV rays or excessive heat, storage in humid or corrosive environments. Damage caused by battery freezing due to storage below -30°C.

❌ Neglect and lack of maintenance:Excessive dirt buildup on the contacts preventing proper connection, corrosion due to repeated exposure to moisture without cleaning, continued use despite obvious signs of failure or overheating. Short circuit caused by contact with metallic objects during transport or storage.

❌ Intensive commercial use:For batteries purchased for residential use but used in an ultra-intensive commercial setting (more than 8 hours per day, 6-7 days per week), the warranty may be reduced. Specify the intended use at the time of purchase to ensure the appropriate warranty.

Complaint Procedure

How to file a claim in 3 steps:

Step 1: Documentation

Gather the following information before contacting customer service:

• Original proof of purchase (invoice or receipt indicating the date of purchase)
• Battery serial number (engraved on the casing)
• Clear photos showing the problem or defect observed
• Detailed description of the problem and the circumstances of its occurrence

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

Makita Canada Service (3-year manufacturer's warranty):

Visitwww.makita.ca/warrantyto locate the nearest authorized service center and submit your claim online.

Step 3: Return and processing

For returns within 30 days to Polar Industrial Equipment:

• Securely pack the battery in its original packaging if available
• Include all required documents (invoice, return form)
• Ship to the address provided by our customer service (prepaid label provided for defects)

For Makita warranty claims:

• Bring or ship the battery to the designated authorized service center
• Evaluation timeframe: 5-10 business days
• Repair or replacement: 2-4 weeks depending on parts availability

Additional Advantages of Polar Industrial Equipment:

• Free technical support by phone to diagnose problems before return
• Express replacement program for professionals (temporary battery during repair)
• Extended warranty available for purchase, providing coverage up to 5 years.