---
product_id: 35351216
title: "MAKITA 18V LXT Lithium-ION 4.0AH (BL1840B)"
brand: "makita"
price: "₨46072"
currency: LKR
in_stock: true
reviews_count: 13
category: "Makita"
url: https://www.desertcart.lk/products/35351216-makita-18v-lxt-lithium-ion-4-0ah-bl1840b
store_origin: LK
region: Sri Lanka
---

# 4.0Ah High Capacity 36-Minute Rapid Charge Shock-Absorbing Foam Cell MAKITA 18V LXT Lithium-ION 4.0AH (BL1840B)

**Brand:** makita
**Price:** ₨46072
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your productivity with Makita’s fastest charging, longest lasting battery!

## Quick Answers

- **What is this?** MAKITA 18V LXT Lithium-ION 4.0AH (BL1840B) by makita
- **How much does it cost?** ₨46072 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/35351216-makita-18v-lxt-lithium-ion-4-0ah-bl1840b)

## 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

- • **Lightweight Yet Mighty:** Same weight as a 3.0Ah battery but with 33% more power—carry less, do more.
- • **Seamless Compatibility:** Works flawlessly with your existing Makita 18V LXT chargers and tools—upgrade without hassle.
- • **Built to Last & Protect:** Foam cell technology and multi-contact slide-on design absorb shocks and ensure secure fit.
- • **Charge Fast, Work Faster:** Unbeatable 36-minute quick charge keeps you on the move with minimal downtime.
- • **Power Through Your Projects:** 4.0Ah lithium-ion battery delivers extended runtime without added weight.

## Overview

The MAKITA 18V LXT Lithium-Ion 4.0Ah (BL1840B) battery pack combines advanced foam cell shock absorption with a rapid 36-minute charge time, delivering extended runtime at the same lightweight profile as smaller batteries. Compatible with all Makita 18V LXT tools and chargers, it’s engineered for professionals who demand durability, speed, and seamless integration.

## Description

MAKITA 18V LXT LITHIUM-ION 4.0AH (BL1840B)

Review: Great Makita product - Its makita product. It has a great battery life. Price was very good. I would buy again
Review: Great OEM battery, had to bite the bullet and pay $80 - OEM battery, expensive but it's a quality battery.

## Features

- Foam cell technology
- Slide on battery holds firm with multi contacts and shock absorbing pack
- Unbeatable 36 minute charge time
- Same weight as 3. 0 ah battery
- Works with your current li-ion chargers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GSMBTJA |
| Batteries | 1 Lithium Ion batteries required. |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Capacity | 4 Amp Hours |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #66,258 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #603 in Cordless Tool Battery Packs |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,330) |
| Date First Available | November 26, 2013 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 1.21 pounds |
| Item model number | BL1840 |
| Manufacturer | Makita |
| Number Of Pieces | 1 |
| Part Number | BL1840 |
| Power Source | battery-powered |
| Product Dimensions | 3.15 x 2.36 x 4.33 inches |
| Voltage | 18 Volts |
| Warranty Description | Manufacturer |
| Wattage | 5000 watts |

## Product Details

- **Battery Capacity:** 4 Amp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** Makita
- **Number of Batteries:** 1 Lithium Ion batteries required.
- **Recommended Uses For Product:** Power Tool

## Images

![MAKITA 18V LXT Lithium-ION 4.0AH (BL1840B) - Image 1](https://m.media-amazon.com/images/I/61-dWuIcRHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Makita product
*by G***. on October 23, 2025*

Its makita product. It has a great battery life. Price was very good. I would buy again

### ⭐⭐⭐⭐⭐ Great OEM battery, had to bite the bullet and pay $80
*by A***J on October 12, 2025*

OEM battery, expensive but it's a quality battery.

### ⭐⭐⭐⭐⭐ Authentic batteries
*by J***E on May 17, 2025*

The batteries work as expected. The batteries are Makita batteries. The delivery was prompt.

## Frequently Bought Together

- MAKITA 18V LXT Lithium-ION 4.0AH (BL1840B)
- Makita XBU03Z 18V LXT® Lithium-Ion Brushless Cordless Blower, Tool Only
- Makita BL1840BDC1 18V LXT® Lithium-Ion Battery and Charger Starter Pack (4.0Ah)

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**Shop now:** [https://www.desertcart.lk/products/35351216-makita-18v-lxt-lithium-ion-4-0ah-bl1840b](https://www.desertcart.lk/products/35351216-makita-18v-lxt-lithium-ion-4-0ah-bl1840b)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-18*