18-Volt LXT Lithium-Ion High Capacity Battery Pack 4.0Ah with Fuel Gauge
- Extended Run Time; Powers 18V LXT and 18V Compact Tools
- Powers the expanding 18V LXT line of cordless tools
- Battery has a 3-year limited warranty from date of purchase
- See More Details
Frequently Bought Together
Product Overview
World's Largest 18V Lithium-Ion System
With each cordless tool, you hold over 100 years of motor engineering and over 40 years of cordless innovation
One System. Endless Possibilities.
Use the same batteries and chargers with all 36V and 18V LXT tools
The LXT Advantage
4 key components make up the LXT® Advantage, providing you with the most advanced, durable and dependable 18V products
Maximum Performance. No Cords Needed.
Break free from the cord with two 18V LXT® batteries.
Premium Power and Run Time
LXT® is the one-battery solution for contractors that require a cordless tool system that helps them be more productive
Compact Design and Performance
LXT® Compact continues to refine the formula of faster-charging batteries, more power and speed, and a leading power-to-weight ratio
A New Class in Cordless
The most compact and lightweight go-anywhere 18V solution
Faster Charging
The Rapid Optimum Charger communicates with the battery’s built-in chip to optimize battery life
More Run Time
Battery delivers constant power and run time in extreme temperatures, even in winter
Longer Motor Life
Makita-built Brushless Motor eliminates carbon brushes, so the motor runs cooler and more efficiently
Efficient Power Management
Overload protection, Over-discharge protection and Overheat protection
Star Protection
Star Protection is communication technology that protects against overload, over-discharge and overheating
3-Year Limited Warranty
On every Makita Lithium-Ion Tool, Battery and Charger from the date of original purchase.
- California residents
- Integrated LED battery charge level indicator allows user to monitor battery charge
- Provides up to 35% more run time per charge compared to BL1830
- Reaches full charge in 40 minutes or less
- Compatible only with star protection tools, indicated by the star symbol and/or yellow battery receiver under the tool
- Battery delivers consistent power and run time in extreme temperatures, even in winter (-4°F/-20°C)
- Equipped with star protection computer controls to protect against overloading, over-discharging and over-heating
- Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect the battery
- 16 contact terminals maintain a constant connection with the tool to help prevent power loss or fluctuation, even during high-vibration applications
- Battery resists self-discharge and remains ready for use even after long periods of storage
- Makita 18-Volt lithium-ion is the world’s largest cordless tool line-up powered by an 18-Volt lithium-ion slide-style battery
- Makita technology delivers category-leading charge time so the battery spends more time working and less time sitting on the charger (charger not included)
- 3-year limited warranty
- Shop all Makita products
- Click here for more information on Electronic Recycling Programs
Info & Guides
Product Overview
- Extended Run Time; Powers 18V LXT and 18V Compact Tools
- Powers the expanding 18V LXT line of cordless tools
- Battery has a 3-year limited warranty from date of purchase
Key Features
World's Largest 18V Lithium-Ion System
With each cordless tool, you hold over 100 years of motor engineering and over 40 years of cordless innovation
One System. Endless Possibilities.
Use the same batteries and chargers with all 36V and 18V LXT tools
The LXT Advantage
4 key components make up the LXT® Advantage, providing you with the most advanced, durable and dependable 18V products
Maximum Performance. No Cords Needed.
Break free from the cord with two 18V LXT® batteries.
Premium Power and Run Time
LXT® is the one-battery solution for contractors that require a cordless tool system that helps them be more productive
Compact Design and Performance
LXT® Compact continues to refine the formula of faster-charging batteries, more power and speed, and a leading power-to-weight ratio
A New Class in Cordless
The most compact and lightweight go-anywhere 18V solution
Faster Charging
The Rapid Optimum Charger communicates with the battery’s built-in chip to optimize battery life
More Run Time
Battery delivers constant power and run time in extreme temperatures, even in winter
Longer Motor Life
Makita-built Brushless Motor eliminates carbon brushes, so the motor runs cooler and more efficiently
Efficient Power Management
Overload protection, Over-discharge protection and Overheat protection
Star Protection
Star Protection is communication technology that protects against overload, over-discharge and overheating
3-Year Limited Warranty
On every Makita Lithium-Ion Tool, Battery and Charger from the date of original purchase.
Specifications
Dimensions
Details
Questions & Answers
Can you use 5.0 battery to replace 3.0 battery
Asked by magoo November 26, 2020Thank you for your question. If your battery receiver on your current tools is either yellow or black with a Star symbol then you can use the 5.0 Ah battery.
is the biggest battery you have a 6ah?and what are all them rated for when recharging before ther...
Asked by cj November 13, 2020Thank you for your question. The BL1860B 18V LXT® Lithium‑Ion 6.0Ah Battery is the highest capacity battery currently offered. Battery lifespan is affected by many variables, such as climate, usage, and storage. Because of this, we do not have a published expected lifespan of batteries.
What is the weight of each battery pack?
Asked by JohnCali November 8, 2020Thank you for your question. Each BL1850B Lithium-Ion battery weighs 1.4 lbs.
Replacement makita charger it’s a good item to charge bl1830b?
Asked by Nayef October 15, 2020Thank you for your question. The DC18RC 18V LXT charger would be a good charger for any Makita 18V Lithium Ion Battery.
What is the difference bl1830b and bl1830
Asked by Gazal October 15, 2020Thank you for your question. The BL1830 battery has been replaced by the BL1830B. The key difference between these batteries is the charge indicator light found on the BL1830B.
How to get out of stock product?
Asked by Bwltyw September 30, 2020Dear Valued Home Depot Customer, To better answer your question, please contact the HD.com customer service department at 800-430-3376 call any day between 6 a.m. and 2 p.m. EST, or call your local store, they can either answer your question or transfer you to your local store to answer your specific question.
Compatibliy
Asked by ABC September 26, 2020Thank you for your question. The BL1830B 18V LXT® Lithium-Ion 3.0Ah Battery is only compatible with Star Protection tools, indicated by the Star Symbol™ and/or Yellow Battery Receiver under the tool.
Can i use the Makita DC18RA to charge a Makita BL1830B 18V 3.0AH Lithium-ion battery.
Asked by Paul September 20, 2020I see no reason not. I have several 18V Lithium chargers and all my 18V batteries from 2 amp to 6 amp charge on all of them.
what type of cells are used in Makita 4ah and higher batteries?
Asked by zach August 26, 2020Thank you for your question, but we will require more specific information in order to provide an answer. Call the Makita Call Center during business hours at (800)4-MAKITA, they’re based in Buford, GA and are ready to help.
What’s the difference between batteries BL1820 and BL1820b?
Asked by Flip August 5, 2020Thank you for your question. The BL1820 18V LXT® Lithium-Ion Compact 2.0Ah Battery is a discontinued item. The BL1820B 18V LXT® Lithium-Ion Compact 2.0Ah Battery is the replacement item for BL1820 and features an intergrated L.E.D. battery charge level indicator.
Customer Reviews
Explore More on Homedepot.com
Outdoor Living
More Products
Bathroom
Top Brands
Flooring Options
Tools and Hardware
Storage and Cleaning Supplies
Home and Kitchen Appliances