The Makita 18V LXT Lithium-Ion battery charges faster and works longer than standard lithium-ion batteries, giving you and your cordless tools unmatched performance and productivity to take on the most demanding applications. The Makita 4.0 Ah battery combines more run time (35% more run time per charge than the Makita BL1830 battery) with a category-leading charge time of only 32 minutes, so it spends more time working and less time sitting on the charger. For added convenience, it also features an L.E.D. charge level indicator to monitor battery charge.

Extreme Temperature Performance: Makita 18V LXT Lithium-Ion batteries deliver consistent power and run-time even in winter temperatures as low as -4° F (-20° C).

Star Protection Computer Controls: When used with STAR marked tool, the onboard chip allows the tool and battery to exchange data in real-time and monitor conditions during use to protect against overloading, over-discharging, and overheating for enhanced performance, battery cycle life, and overall battery life.

Impact Resistant Design: Shock absorbing liner and a sturdy polycarbonate structure enable the battery to hold up to the rigors of nearly any job site. 16 contact terminals make sure that the battery can provide constant and consistent power in extreme applications.

Fastest Charging in Class: When paired with compatible rapid chargers (DC18RC, DC18RD, DC18RE), the Makita batteries have the fastest charge times in class so it spends more time working and less time sitting on the charger. The BL1840B 4.0 Ah Battery can be fully charged in 40 minutes.

Compatibility: The Makita 18V LXT Lithium-Ion batteries are compatible with 320+ products.

Available in singles with part number 196401-9 (BL1840B) and 2/pk with part number 196406-9 (BL1840B-2).

Built-In Memory Chip communicates with Charger CPU to optimize the charging process based on the unique conditions of each battery

Manual

Makita Canada_Warranty Statement-pdf.pdf

The Home Depot will provide an accessible format of PDFs upon request. Please contact us at
1-800-628-0525.

Specifications

Power Tool Accessory Type

Power Tool Batteries

Power Tool Accessory Features

Universal

Battery Capacity (amp-hour)

Battery Platform

Makita 18V

Battery Power Type

Lithium Ion

Dimensions

Assembled Depth (in inches): 3.0
Assembled Height (in inches): 11.0
Assembled Weight (in lbs): 1.33
Assembled Width (in inches): 7.0
Packaged Depth (in inches): 7
Packaged Height (in inches): 4
Packaged Weight (In lbs): 5
Packaged Width (in inches): 5

Details

Amps: 4.0Ah
Battery Capacity (amp-hour): 4
Battery Platform: Makita 18V
Battery Power Type: Lithium Ion
Battery Voltage: 18V
Country of Origin: CN - China
Pack Size: 1
Power Tool Accessory Features: Universal
Power Tool Accessory Type: Power Tool Batteries
With or Without Charger: Without Charger

Warranty / Certifications

For more information please contact customer service at 1-800-628-0525

Related Products

MAKITA 18V LXT Lithium-Ion 6.0 Ah Battery (2-Pack)

6.0 Ah battery offers ultimate run time for prolonged, heavy-duty applications. LED charge level indicator displays approximate remaining battery power. Battery Protection System provides Over-Discharge, Temperature and Current Protection for enhanced performance, battery cycle life and overall battery life (when used with STAR marked tool). Li-Ion Batteries offer extended run time versus Ni-Cad and Ni-MH batteries

View Details

Milwaukee Tool M18 18V Lithium-Ion High Demand (HD) 9.0 Ah REDLITHIUM Battery Pack

The M18 REDLITHIUM HIGH DEMAND 9.0 Battery delivers up to 5X more run-time, 35% more power, and runs 60% cooler than standard 18-Volt Lithium-Ion batteries. The battery is best optimized for high draw products and sustained run-time applications, and it provides the next, large step towards full corded replacement when paired with the M18 system of solutions. It maintains full power and runs substantially cooler through heavy applications, allowing users to push their cordless tools harder and longer than ever before. The M18 REDLITHIUM HIGH DEMAND 9.0 battery is fully compatible with 100+ M18 tools.

View Details

RYOBI 18V ONE+ HIGH PERFORMANCE Lithium-Ion 2.0 Ah Battery (2-Pack)

These RYOBI 18V ONE+ Lithium-ion High Performance 2Ah batteries provide up to 2X more runtime, 30% more power, and runs cooler compared to our standard Lithium-ion batteries to provide long-lasting reliability and better performance. These High Performance batteries also feature the most advanced on-board battery electronics that monitor voltage, temperature, and current to extend the life of the battery. When you pair this High Performance battery with any ONE+ HP tool, advanced technology allows them to communicate to provide the best performance possible that powers through heavier applications and protects against overloading and overheating. It performs in extreme weather temperatures and is engineered to be impact resistant. These batteries feature an integrated LED fuel gauge to check your battery charge at all times. Best of all, they are part of the RYOBI ONE+ System of Cordless Tools that all work on the same battery platform. Backed by the RYOBI 3-Year Manufacturer's Warranty, these batteries include an operator's manual. Charger sold separately.

View Details

Milwaukee Tool M18 18V Lithium-Ion Extended Capacity (XC) 6.0 Ah REDLITHIUM Battery Pack

Delivers up to 3X more run-time, 20% more power and 2X more life than standard 18 volt lithium-ion batteries. The M18 REDLITHIUM XC6.0 Extended Capacity Battery Pack features superior pack construction, electronics, and performance to deliver more work per charge and more work over the life of the pack than any battery on the market. The M18 REDLITHIUM XC6.0 Battery features an advanced design, protecting the pack against harsh jobsite environments. This protection routes water away from the electronics and out of the battery pack, extends run-time and life by minimizing heat, and prevents pack failures from vibration or drops. This unique to Milwaukee design also allows the battery to operate in extreme cold weather conditions (below OoF/-18oC). Upgrade to the M18 REDLITHIUM XC6.0 Battery Pack to instantly increase the run-time and durability of your M18 cordless tools.

View Details