---
product_id: 331243535
title: "Makita BL1840B 18 V 4 Ah Li-ion Battery-Black"
brand: "makita"
price: "₨1661"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/331243535-makita-bl1840b-18-v-4-ah-li-ion-battery-black
store_origin: LK
region: Sri Lanka
---

# 18V Power Boost 36-Min Fast Charge Shock Absorbing Pack Makita BL1840B 18 V 4 Ah Li-ion Battery-Black

**Brand:** makita
**Price:** ₨1661
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Charge ahead with power and speed – never miss a beat!

## Quick Answers

- **What is this?** Makita BL1840B 18 V 4 Ah Li-ion Battery-Black by makita
- **How much does it cost?** ₨1661 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/331243535-makita-bl1840b-18-v-4-ah-li-ion-battery-black)

## 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

- • **Secure fit, zero slip:** Slide-on design with multi-contact points ensures firm attachment
- • **Built to absorb shocks:** Foam cell technology protects battery life on the toughest job sites
- • **Lightweight but mighty:** Same weight as a 3.0 Ah battery, but with more power
- • **Power that lasts longer:** 4 Ah capacity delivers extended runtime for demanding projects
- • **Rapid recharge, less downtime:** Unbeatable 36-minute charge time keeps you moving

## Overview

The BL1840B 18V 4 Ah Li-ion Battery combines advanced foam cell technology and a shock-absorbing pack to deliver reliable, long-lasting power. Its slide-on design with multi-contact points ensures a secure fit, while an unbeatable 36-minute fast charge minimizes downtime. Despite its higher capacity, it maintains the lightweight feel of a 3.0 Ah battery, making it the perfect companion for professional-grade power tools.

## Description

And very durable to 80% compared to Makita battery NiCd or NiMH battery.- The charge- 100% of the battery in 36 min- 40% more lgre- Voltage 18 Battery technology Li-ion- capacity 4.0 Ah- Net Weight 0.6kg

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Makita |
| Part Number | BL1840 |
| Item Weight | 1.43 pounds |
| Product Dimensions | 3 x 6.75 x 6.5 inches |
| Item model number | BL1840B |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | 4.0Ah |
| Color | Black |
| Style | 1-Pack |
| Material | Plastic |
| Power Source | Hand Powered |
| Voltage | 18 Volts |
| Wattage | 72 watts |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement System | Metric |
| Included Components | battery |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Ion |
| Battery Capacity | 4 Amp Hours |
| Warranty Description | Warranty |

## Product Details

- **Number of batteries:** 1 Lithium Ion batteries required. (included)
- **Brand:** Makita
- **Battery cell composition:** Lithium Ion
- **Battery capacity:** 4 Amp Hours
- **Recommended uses for product:** Power Tool

## Images

![Makita BL1840B 18 V 4 Ah Li-ion Battery-Black - Image 1](https://m.media-amazon.com/images/I/51qQIA7QUrL.jpg)
![Makita BL1840B 18 V 4 Ah Li-ion Battery-Black - Image 2](https://m.media-amazon.com/images/I/6120TTipkzL.jpg)
![Makita BL1840B 18 V 4 Ah Li-ion Battery-Black - Image 3](https://m.media-amazon.com/images/I/51A1fF62h4L.jpg)
![Makita BL1840B 18 V 4 Ah Li-ion Battery-Black - Image 4](https://m.media-amazon.com/images/I/61iN7lPhGuL.jpg)
![Makita BL1840B 18 V 4 Ah Li-ion Battery-Black - Image 5](https://m.media-amazon.com/images/I/61vn1Ci1vlL.jpg)

## Frequently Bought Together

- Makita BL1840B 18V LXT Lithium-Ion 4.0Ah Battery, Black
- Makita XBU03SM1 18V LXT® Lithium-Ion Brushless Cordless Blower Kit (4.0Ah)
- Makita XMT03Z 18V LXT® Lithium-Ion Cordless Multi-Tool, Tool Only

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**Shop now:** [https://www.desertcart.lk/products/331243535-makita-bl1840b-18-v-4-ah-li-ion-battery-black](https://www.desertcart.lk/products/331243535-makita-bl1840b-18-v-4-ah-li-ion-battery-black)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-23*