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Dewalt  |  SKU: DEWAC-DCB205-2

SET OF 2 DEWALT 20V BATTERIES. MAX 5AMP.

Regular price $198.00
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Description

This set includes 2 DeWalt DCB205 20V MAX lithium-ion batteries with a capacity of 5.0 Ah each.

Product presentation

The DeWalt 20V MAX 5Ah 2-pack of batteries is the professional power solution for all your DeWalt 20V cordless tools. These high-capacity lithium-ion batteries offer up to 60% more runtime than standard 3Ah models, allowing you to work longer without interruption on your most demanding jobsites.

Each DeWalt DCB205 battery incorporates premium lithium-ion technology with no memory effect, ensuring consistent power from start to finish. The 3-level LED indicator instantly informs you of the remaining charge status, eliminating surprises mid-project. The rugged construction with a shock-resistant overmolded base protects your investment from accidental drops typical of demanding work environments.

Compatible with the entire DeWalt 20V MAX system, these rechargeable batteries fit over 200 different tools – drills, saws, grinders, nailers, and more. Their 5 amp-hour capacity makes them the ideal choice for professionals and serious DIYers looking for the best balance of runtime, weight, and performance.

Key Points:

  • 5.0 Ah capacity per battery - Up to 10 hours of cumulative runtime on a standard drill
  • 3-level LED indicator - Instantly check the remaining charge without guesswork
  • Reinforced shock-resistant construction - Withstands drops from 2 meters and construction site conditions
  • Universal 20V MAX compatibility - Works with over 200 DeWalt cordless tools
  • Memory-free technology - Recharge anytime without compromising battery life

This 2-pack of DeWalt 20V batteries lets you keep one tool running continuously while the other recharges, maximizing your productivity. Compatible with Quebec temperatures ranging from -20°C to +50°C, these batteries perform even during our harsh winters. Enjoy free shipping on all orders of $150 or more at Polar Industrial Equipment.

Use

Ideal for:

  • Residential and commercial construction: framing, drywall installation, carpentry
  • Interior and exterior renovation: demolition, cutting, assembly, finishing
  • Plumbing and electrical work: drilling in concrete and metal, installation of conduits
  • Professional landscaping services: hedge trimmers, leaf blowers, cordless pruning saws
  • Cabinetmaking and manufacturing: precision cutting, sanding, furniture assembly
  • Industrial maintenance: equipment repair, preventive maintenance, rapid intervention
  • Automotive and mechanical projects: dismantling, assembly, bodywork
  • Remote work sites without electricity access: camp construction, forestry work

Technical Specifications

Voltage: 20V MAX (18V nominal)
Capacity: 5.0 Ah per battery (10.0 Ah total for all batteries)
Technology: Premium Lithium-ion
Number of batteries: 2 units
Model: DCB205
SKU: DEWAC-DCB205-2
Charging indicator: Integrated 3-level LED
Weight per battery: 0.63 kg (1.4 lb)
Dimensions per battery: 14 cm x 8 cm x 7 cm
Operating temperature: -20°C to +50°C
Storage temperature: -20°C to +60°C
Charging cycles: 2000+ cycles (with proper maintenance)
Compatibility: All DeWalt 20V MAX cordless tools
Base: Reinforced shock-resistant overmolding
Certifications: UL, cUL, CE
Manufacturer's warranty: 3-year limited DeWalt
Country of manufacture: Manufactured according to DeWalt standards

Product Set

Complete Package Contents


This set of 2 DeWalt 20V MAX 5Ah Batteries provides you with a complete power solution to keep your DeWalt 20V tools running continuously, with one battery always ready while the other recharges.

Included in your order:

2x DeWalt DCB205 20V MAX 5.0 Ah Battery

High-capacity lithium-ion batteries with no memory effect technology and premium cells. Each unit offers up to 5 hours of runtime on a standard drill/driver (DCD780) or 2 hours on a circular saw (DCS391).

Robust construction with overmolded, shock-resistant base that can withstand drops from 2 meters. Integrated 3-level LED indicator (100%, 66%, 33%) for quick check of remaining charge without interrupting your work.



Advantages of the DeWalt 20V 2-Battery Set

Substantial savings:By purchasing this 2-battery set, you save approximately $35 compared to buying two individual batteries. This bundled option represents optimal value for frequent users who require constant battery rotation on their job sites.

Uninterrupted productivity:With two 5Ah batteries, you eliminate downtime. While one battery powers your tool, the second recharges, allowing you to work all day without interruption. This is especially advantageous for professionals who charge by the hour or adhere to tight deadlines.

Multi-tool flexibility:Power two different tools simultaneously or keep a backup battery for emergencies. Ideal for contractors managing multiple employees on the same job site or for switching between high and low power tools as needed for the project.

Extended system lifespan:Regularly rotating between two batteries reduces the individual charge cycles of each unit, significantly extending their overall lifespan. This practice can add 1-2 years of use to your batteries compared to heavy use of a single unit.


Recommended complementary accessories

Optimize your investment:

DeWalt DCB118 Fast Charger- Full charge in 45 minutes for 5Ah battery, LCD screen with battery diagnostics, integrated fan for optimal cooling (sold separately)

DeWalt DCB132 Dual Charging Station- Recharge both batteries simultaneously in 90 minutes, save space with included wall mount, individual LED indicators for each battery (sold separately)

DeWalt DWST08260 Storage Rack- Organize up to 4 batteries and 2 chargers, wall or floor mounting, robust construction for workshop or service truck (sold separately)

DeWalt DCD780 Drill Driver- Complete your system with the most versatile tool, 15 torque settings, variable speed 0-600/0-2000 RPM, integrated LED (sold separately)

DeWalt 6-Piece 20V MAX Multi-Tool Set - Maximize your battery investment with a kit including a drill, impact driver, circular saw, jigsaw, lamp, and carrying bag (sold separately). Recommended additional accessories

Care and Usage

First Use

Activating your new DeWalt 20V MAX batteries:


1. Full initial charge

Before first use, charge each battery until the LED indicators are solid green (60 to 90 minutes depending on the charger). This step calibrates the cells and ensures full capacity from the start. Do not interrupt this initial charge, even if the battery appears to be partially charged.

2. Checking the LED indicators

Before installation, press the indicator button to check that all three LEDs light up (100% charge). If only one or two light up, continue charging. This check prevents starting with an incomplete battery.

3. First discharge cycle

Upon first use, discharge the battery to a significant drop in power, then fully recharge it. This complete cycle optimizes the accuracy of the indicators and future performance.

4. Warranty Registration

Keep your receipt and register your batteries on the DeWalt Canada website. This will make claims easier and keep you informed of product updates and recalls.


Regular Maintenance

To maximize the lifespan of your DeWalt 20V MAX batteries:

After each use:

  • Clean the metal contacts with a clean, dry cloth to remove dust and debris
  • Check the LED indicator to see the remaining charge before storing.
  • Avoid leaving a completely discharged battery for more than 24 hours without recharging.
  • Remove the battery from the tool when not in use to prevent minor electrical discharge.

Cost management:

  • Recharge as soon as the tool shows a noticeable drop in performance (approximately 20% charge).
  • Avoid repeated full discharges that stress lithium-ion cells
  • Perform a full charge every 10-15 partial uses.
  • Never leave a lithium-ion battery discharged for more than a week.

Recommended rotation for a set of 2 batteries:

  • Alternate between your two batteries systematically during each work session.
  • Identify your batteries (e.g., A and B) to monitor their balanced usage.
  • Use the least recently charged battery first to even out the cycles
  • Visually inspect both units monthly for swelling or damage

Precautions for Use

For your safety and the longevity of your batteries:

Avoid prolonged exposure to extreme temperatures

Do not use batteries below -20°C or above +50°C. In winter, keep them warm (in an inside pocket or heated vehicle). Allow a cold battery to warm up for 15 to 30 minutes before use.

Never short-circuit the terminals

Avoid any contact between the terminals and metallic objects (keys, coins, tools, jewelry). Store the batteries separately in an insulated compartment to prevent short circuits.

Do not expose to water or excessive humidity

The batteries are not waterproof. Avoid heavy rain, immersion, or very humid environments. If wet, dry completely before charging or use.

Never modify the battery

Do not open the casing or replace the internal cells. Any modification will void the warranty and may cause a fire or explosion. Contact DeWalt Service or Polar Industrial Equipment in case of malfunction.

Avoid repeated violent impacts

Significant drops or crushing can damage the cells. Handle with care and store properly to minimize impact during transport.

Do not charge immediately after heavy use

If the battery is hot, let it cool down for 10 to 15 minutes before recharging. This reduces cell degradation and extends its lifespan.

⚠️Watch for signs of failure

Discontinue use if swelling, odor, excessive heat, rapid charge loss, or abnormal LED indicators occur. Never use a damaged battery.

Storage Tips

Short-term storage (less than 2 weeks):

  • Recommended charge: 40-80% (2 out of 3 LEDs lit)
  • Temperature: Ideally 15-25°C (normal room temperature)
  • Location: Dry place, away from direct sunlight
  • Removal: Remove the batteries from the tools to prevent residual discharge.
  • Verification: No monitoring required for short periods

Long-term storage (more than 2 weeks):

  • Recommended charge: 50-60% precisely (2 LEDs lit, never completely discharged)
  • Temperature: 10-20°C in a controlled environment (temperate basement, insulated garage)
  • Location: Closed toolbox or tool chest, protected from moisture and extreme temperatures
  • Checking: Check the charge every 2-3 months and recharge to 50-60% if necessary
  • Protection: Place in individual plastic bags if storing in a dusty environment

Winter storage in Quebec (temperatures below 0°C):

  • Heated area required:Never store in an unheated garage, outdoor shed, or vehicle left outside during a Quebec winter.
  • Minimum critical temperature:Keep between 10-20°C for optimal storage, never below 0°C for extended periods
  • Recommended location:Heated basement, indoor closet, or temperature-controlled storage room
  • Winter load:Maintain at 60% during the winter to compensate for the slightly increased self-discharge.
  • Before winter use:If stored in the cold, warm to room temperature for 30-60 minutes before intensive use.

Expected lifespan with proper storage:3-5 years (2000+ charge cycles) with proper care and optimal storage. DeWalt lithium-ion batteries retain 80% of their capacity after 3 years of normal professional use with recommended storage practices followed.

Warranty

DeWalt Warranty Cover

Warranty period:

3-year limited manufacturer's warranty from DeWalton manufacturing and material defects

DeWalt 90-Day Satisfaction Guarantee- No-questions-asked return if not satisfied (in addition to our 30-day guarantee)

DeWalt Lifetime Service Warranty- Maintenance and replacement of worn parts at cost price during the product's lifetime

Starting point:The warranty begins on the purchase date shown on your Polar Industrial Equipment invoice.

What Is Covered

The DeWalt and Polar Industrial Equipment limited warranty covers:
Manufacturing defects

Covers any problem arising from the manufacturing process (assembly, soldering, or defective BMS circuit). DeWalt will repair or replace any affected battery free of charge during the first 3 years.

Material defects

Includes defective materials (lithium-ion cells, cracked casing without impact damage, faulty contacts or LEDs). Spontaneous detachment of the shockproof base is also covered.

Abnormally reduced performance

If the capacity drops by more than 40% in less than 3 years (excluding excessive use), the battery will be evaluated and replaced if a defect is confirmed.

Covered electronic failures

Covers any problem with the BMS circuit (impossibility of charging, rapid discharge, overheating, faulty sensors or protections).

✅ What DeWalt will do:

  • Free repairif technically possible and economically viable
  • Replacement with a new or refurbished productof equivalent value if repair impossible
  • Pro-rata reimbursementbased on the age of the product if replacement not available

Warranty Exclusions

❌ The warranty does NOT cover:

Normal wear and tear and natural degradation

Gradual loss of capacity (up to 20% after 3 years), discoloration, light scratches, or contact wear due to repeated use. Weakening after more than 2000 cycles is considered normal.

Physical damage and impacts

Cracks, deformations or crushed casing after a fall or impact. Contacts bent or torn out due to forced insertion.

Misuse and negligence

Exposure to extreme temperatures, immersion, prolonged storage when discharged, opening of the case, non-DeWalt chargers or accidental short circuits.

extreme environmental conditions

Damage due to corrosive products, saline environments, excessive heat or humidity, or infiltration of dust and construction materials.

Excessive intensive commercial use

Usage exceeding the intended limits (continuous operation, more than 5 cycles per day, electrical overload). The warranty covers normal professional use only.

Consumable parts and accessories

Excludes labels, stickers, packaging or documentation. Only lithium-ion cells remain covered.

Complaint Procedure

How to file a claim in 4 simple steps:

Step 1: Documentation and preparation

  • Keep your original Polar Industrial Equipment purchase invoice (proof of purchase required)
  • Note the model number (DCB205), purchase date, and a description of the problem encountered.
  • Take clear photos of the defect if visible (crack, bulge, faulty LED indicators)
  • Prepare a detailed description: when the problem occurred, frequency of use, conditions of use

Step 2: Contact - Choose according to your situation

For returns within 30 days (Polar Industrial Equipment Money-Back Guarantee):

  • Phone :1-800-567-3206 (Monday-Friday 8am-5pm EST)
  • E-mail : info@equipementpolar.com(response within 24 business hours)
  • In person:3425 Boulevard Wilfrid-Hamel, Quebec City, QC (Free parking)
  • Hours :Monday-Friday 8:00am-5:00pm | Saturday 9:00am-12:00pm (depending on the season)

For DeWalt manufacturer's warranty (31 days to 3 years):

  • Visit theDeWalt Canada Service Center:www.dewalt.ca/support
  • Use the authorized service center locator on their website
  • Or contact Polar Industrial Equipment, which will facilitate the process with DeWalt.

Step 3: Returning the product (if necessary)

  • Pack securely in a sturdy box with protective material (bubble wrap, foam).
  • Include a copy of the invoice, the return form (provided by our customer service), and an explanatory note.
  • For returns of Polar Industrial Equipment:Ship to the address provided by our customer service (prepaid label provided for defects)
  • For DeWalt claims:Follow the instructions of the nearest authorized service center (generally, in-person delivery is recommended).
  • Keep the tracking number if shipping is required.

Step 4: Processing and Resolution

  • Polar returns within 30 days:Inspection upon receipt, refund or exchange processed within 3-5 business days
  • DeWalt Warranty:Assessment by a certified technician within 7-10 days; repair/replacement decision communicated by email/phone
  • Replacement times:Typically 2-3 weeks for manufacturer warranty claims, depending on parts availability.
  • Communication :Regular email updates on the status of your claim at each stage

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Our answers to your questions about DeWalt 20V MAX 5Ah Batteries

How long does a DeWalt 20V MAX 5Ah battery last on a full charge?

The runtime of a DeWalt 5Ah battery varies greatly depending on the tool used and the work intensity. On a standard drill/driver (DCD780), you can expect about 4–5 hours of mixed use (intermittent drilling and driving). For a 7-1/4" circular saw (DCS391), expect around 200–250 cuts in 2x4 lumber.

An impact driver (DCF885) can drive approximately 2,000 3" screws into hardwood. Lower power tools like a work light will run continuously for 10–12 hours. This 5 amp-hour capacity provides 60% more runtime than a standard 3Ah battery, significantly reducing downtime on your job sites.

What is the difference between a DeWalt 20V 5Ah and 3Ah battery?

The main difference lies in the total available energy capacity. A 5Ah battery stores 66% more energy than a 3Ah (5 amp-hours vs 3 amp-hours), allowing you to work significantly longer between charges.

In practical terms: the 5Ah provides about 5 hours of use on a drill versus 3 hours for the 3Ah. The weight differs slightly (630g vs 450g), but the trade-off is well compensated by the increased runtime.

Both work with all DeWalt 20V MAX tools, but the 5Ah is recommended for high-power tools (saws, grinders) and professionals needing extended runtime, while the 3Ah is better suited for lighter tools (drivers, drills) and occasional users.

Are these DeWalt 20V batteries compatible with all my DeWalt tools?

These DeWalt DCB205 lithium-ion batteries are compatible with the full range of over 200 cordless tools in the DeWalt 20V MAX lineup. This includes drills, impact drivers, circular saws, jigsaws, grinders, sanders, nailers, staplers, work lights, jobsite radios, vacuums, and more. They also work with FLEXVOLT tools when used in 20V mode.

Important: They are NOT compatible with older DeWalt 18V tools (classic yellow and black series) or with 12V MAX tools. Make sure your tool is labeled “20V MAX” to ensure compatibility. The universal DeWalt 20V system eliminates the need for different batteries for each tool, simplifying your inventory.

What is included in this 2-battery set?

This DeWalt DCB205-2 set includes exactly 2 lithium-ion 20V MAX batteries, each with a 5.0Ah capacity. Each battery features a built-in 3-level LED charge indicator and a shock-resistant overmolded base.

Important: The charger is NOT included in this set and must be purchased separately. If you do not already own a DeWalt 20V charger, we recommend the DCB118 fast charger (full charge in 45 min) or the DCB112 standard charger (charge in 90 min).

No tools are included—this set is designed for users who already own DeWalt 20V tools and want to add extra batteries for extended runtime. For more details on the contents, refer to the “Product Set” section above.

How should I maintain my DeWalt batteries to maximize their lifespan?

To optimize the longevity of your DeWalt 20V MAX batteries, follow these essential practices:

  1. Proper storage – Store at 50–60% charge (2 LEDs lit) in a dry place between 10–20°C, never in an unheated garage during the Quebec winter.
  2. Charge management – Recharge as soon as performance drops (around 20% remaining) rather than waiting for full discharge. Avoid leaving a battery discharged for more than 24 hours.
  3. Regular cleaning – Wipe the metal contacts with a dry cloth after each use in dusty environments.
  4. Rotation – If you own two batteries, alternate their use systematically to balance charge cycles.
  5. Climate protection – In Quebec, warm up cold batteries for 15–30 minutes before heavy winter use.

    With these practices, your batteries will maintain 80% of their capacity after 3–5 years (2000+ cycles). Refer to our “Maintenance and Use” section for detailed instructions.

Do these DeWalt batteries work during Quebec winters?

Yes, DeWalt 20V MAX lithium-ion batteries are designed to operate within a temperature range of -20°C to +50°C, easily covering typical Quebec winter conditions. However, performance is optimal between 10–30°C. In very cold weather (-15°C and below), you may notice a temporary 20–30% reduction in capacity—this is normal for all lithium-ion batteries.

To maximize winter performance: keep the batteries in an inner pocket or heated vehicle between uses, let them warm up for 15–30 minutes before heavy work, and start with light tasks to generate internal heat.

Crucial for winter storage: NEVER leave your batteries in an unheated garage, shed, or vehicle during winter store them indoors between 10–20°C at 60% charge. With these precautions, your DeWalt batteries will perform reliably even during our harsh winters.

Can I leave my DeWalt battery on the charger permanently?

Modern DeWalt chargers feature intelligent protection systems that automatically switch to maintenance (trickle charge) mode once the battery is fully charged, making it technically safe to leave a battery on the charger. However, to maximize long-term lifespan, it is not recommended to keep lithium-ion batteries constantly at 100% charge on the charger for days or weeks. The best practice: remove the battery from the charger as soon as the indicator shows a full charge (solid green LED).

If you need to store charged batteries for several days, keep them at 50–60% charge (2 LEDs lit out of 3) in a cool, dry place. For daily professional use, charging the night before and removing the battery in the morning is optimal. DeWalt chargers protect against overcharging, but prolonged storage at 100% slightly accelerates lithium-ion cell aging.