---
product_id: 20552953
title: "Makita BL1840B-2 18V LXT Lithium-Ion 4.0Ah Battery Twin Pack, Black"
brand: "makita"
price: "VT60424"
currency: VUV
in_stock: true
reviews_count: 11
category: "Makita"
url: https://www.desertcart.vu/products/20552953-makita-bl1840b-2-18v-lxt-lithium-ion-4-0ah-battery
store_origin: VU
region: Vanuatu
---

# 35% more runtime LED charge indicator 40 min fast charge Makita BL1840B-2 18V LXT Lithium-Ion 4.0Ah Battery Twin Pack, Black

**Brand:** makita
**Price:** VT60424
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smarter, work longer, and never miss a beat!

## Quick Answers

- **What is this?** Makita BL1840B-2 18V LXT Lithium-Ion 4.0Ah Battery Twin Pack, Black by makita
- **How much does it cost?** VT60424 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/20552953-makita-bl1840b-2-18v-lxt-lithium-ion-4-0ah-battery)

## Best For

- makita enthusiasts

## Why This Product

- Trusted makita brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Advanced STAR Protection technology guards against overloading, overheating, and over-discharging.
- • **Seamless Compatibility:** Designed exclusively for Makita 18V LXT Star Protection tools for optimized performance.
- • **Stay Informed Instantly:** Integrated LED charge level indicator keeps you in control of your battery life.
- • **Charge at Lightning Speed:** Reaches full charge in 40 minutes or less—get back to work faster.
- • **Power Through Your Projects:** 35% more runtime per charge means less downtime and more productivity.

## Overview

The Makita BL1840B-2 is a twin pack of 18V LXT Lithium-Ion 4.0Ah batteries engineered for professionals who demand fast charging and extended runtime. Featuring a 35% longer run time than previous models, a rapid 40-minute charge cycle, and an intuitive LED charge indicator, these batteries integrate STAR Protection technology to safeguard tool and battery health. Compatible exclusively with Makita’s Star Protection 18V LXT tools, this pack ensures peak performance and durability backed by a 3-year limited warranty.

## Description

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 40 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. The 18V LXT 4.0Ah battery (BL1840) is compatible only with Star Protection tools, indicated by the Star Symbol and/or Yellow Battery Receiver under the tool. Makita 18V Lithium-Ion batteries resist self-discharge so they're ready for use even after long periods of storage. The Makita Rapid Optimum Charger (sold separately) is a smart-charging system that communicates with the battery during the charging process to monitor current, voltage and temperature. This advanced charging technology helps optimize battery life and deliver a faster charge. In addition, the Charger has a built-in fan to cool the battery for faster and more efficient charging, even in hot weather conditions. For improved tool performance and extended battery life, Makita created STAR Protection Computer Controls. STAR Protection is communication technology that allows the tool and battery to exchange data in real time and monitor conditions during use to protect against overloading, over-discharging and overheating. Makita, the innovation leader in cordless tool technology, has the world's cordless tool line-up powered by an 18V lithium-ion slide-style battery.

Review: Makita batteries seem more expensive than pretty much any other brand or device but I think ... - Makita batteries seem more expensive than pretty much any other brand or device but I think you get what you pay for. I have never had an issue with these or any Makita branded batteries. They charge very fast and last long enough to charge up the other one (depending on the device you are powering.) The 4.0Ah version is the same size and weighs as much as the 3.0Ah as far as I can tell, only difference is of course longer run time and longer charge time. I like the inbuilt power indicator which my old ones do not have. At this point I've got 4 Makita batteries so I might not need more until one of these dies or fails to hold a charge. Like I said, the quality and track record has been top notch so I don't expect I'll have to get more any time soon.
Review: Won’t fit older non star rated tools - I bought these to use as a back up for a new battery powered chop saw, along with be my primary batteries for my little used 6” circular saw. Turns out they didn’t for the latter. The saw didn’t have the star emblem under the base, so these didn’t fit........or did they? Upon some internet searching, checking them in other tools, and comparing them to batteries that fit, the reason they didn’t fit was an extra tab on the battery that prohibited their full insertion into non star tools. Let’s just say removing that tab was easy as pie and now they work where I wanted them to work. I also am sure I voided their warranty. The reason for the tab it to keep them from being used in tools that will discharge them too quickly, causing them to get hot (when used for extended times, not my usage) and therefore damaging the longevity of the batteries. Still a great deal, and I’d do it again if I needed batteries. They are exactly what they were meant to be. Don’t take my misuse as a promotional for doing the same......wink.

## Features

- Integrated L.E.D. battery charge level indicator allows user to monitor battery charge
- 18V LXT Lithium-Ion 4.0Ah battery BL1840B provides up to 35% more run time per charge compared to BL1830
- 18V LXT Lithium-Ion 4.0Ah battery BL1840B reaches full charge in 40 minutes or less
- 18V LXT Lithium-Ion 4.0Ah battery BL1840B is compatible with 18V LXT Tools
- Compatible only with Star Protection tools, indicated by the Star Symbol and/or Yellow Battery Receiver under the tool

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B015PVD9OC |
| Batteries | 2 Lithium Ion batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Capacity | 4 Amp Hours |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #74,734 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #707 in Cordless Tool Battery Packs |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (482) |
| Date First Available | September 3, 2015 |
| Included Components | (2) 18V LXT® Lithium-Ion 4.0Ah Battery |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 5 ounces |
| Item model number | BL1840B-2 |
| Manufacturer | Makita |
| Part Number | BL1840 |
| Power Source | Corded Electric |
| Product Dimensions | 3 x 6.75 x 9.75 inches |
| Size | 4.0Ah |
| Style | 2-Pack |
| Voltage | 120 |
| Warranty Description | 3-year limited warranty |

## Product Details

- **Battery Capacity:** 4 Amp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** Makita
- **Number of Batteries:** 2 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Power Tool

## Images

![Makita BL1840B-2 18V LXT Lithium-Ion 4.0Ah Battery Twin Pack, Black - Image 1](https://m.media-amazon.com/images/I/616texzq4FL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Makita batteries seem more expensive than pretty much any other brand or device but I think ...
*by C***L on May 19, 2017*

Makita batteries seem more expensive than pretty much any other brand or device but I think you get what you pay for. I have never had an issue with these or any Makita branded batteries. They charge very fast and last long enough to charge up the other one (depending on the device you are powering.) The 4.0Ah version is the same size and weighs as much as the 3.0Ah as far as I can tell, only difference is of course longer run time and longer charge time. I like the inbuilt power indicator which my old ones do not have. At this point I've got 4 Makita batteries so I might not need more until one of these dies or fails to hold a charge. Like I said, the quality and track record has been top notch so I don't expect I'll have to get more any time soon.

### ⭐⭐⭐⭐⭐ Won’t fit older non star rated tools
*by E***. on May 13, 2020*

I bought these to use as a back up for a new battery powered chop saw, along with be my primary batteries for my little used 6” circular saw. Turns out they didn’t for the latter. The saw didn’t have the star emblem under the base, so these didn’t fit........or did they? Upon some internet searching, checking them in other tools, and comparing them to batteries that fit, the reason they didn’t fit was an extra tab on the battery that prohibited their full insertion into non star tools. Let’s just say removing that tab was easy as pie and now they work where I wanted them to work. I also am sure I voided their warranty. The reason for the tab it to keep them from being used in tools that will discharge them too quickly, causing them to get hot (when used for extended times, not my usage) and therefore damaging the longevity of the batteries. Still a great deal, and I’d do it again if I needed batteries. They are exactly what they were meant to be. Don’t take my misuse as a promotional for doing the same......wink.

### ⭐⭐⭐⭐⭐ Great Product
*by C***F on September 6, 2019*

I initially ordered the wrong battery replacement for my Mikita drills. After Amazon and the sell did a great job helping me get the right batteries, I received the items as promised. This is the second time I have ordered these batteries for replacements. I am a avid DIYer and used these batteries extensively. They are durable and hold a charge really really well! The life of the batteries lasted as long as I expected. These are great batteries, but are a little pricey. Great product and I would highly recommend these as replacements!

## Frequently Bought Together

- Makita BL1840B-2 18V LXT Lithium-Ion 4.0Ah Battery Twin Pack, Black
- Makita XAG04Z 18V LXT® Lithium-Ion Brushless Cordless 4-1/2” / 5" Cut-Off/Angle Grinder, Tool Only
- Makita XMT03Z 18V LXT® Lithium-Ion Cordless Multi-Tool, Tool Only

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-11*