---
product_id: 331243535
title: "Makita BL1840B 18 V 4 Ah Li-ion Battery-Black"
brand: "makita"
price: "$311"
currency: NZD
in_stock: false
reviews_count: 8
url: https://www.desertcart.nz/products/331243535-makita-bl1840b-18-v-4-ah-li-ion-battery-black
store_origin: NZ
region: New Zealand
---

# 36 min rapid charge 4.0 Ah high capacity Shock-absorbing durability Makita BL1840B 18 V 4 Ah Li-ion Battery-Black

**Brand:** makita
**Price:** $311
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power up fast, work smarter, stay unstoppable!

## Quick Answers

- **What is this?** Makita BL1840B 18 V 4 Ah Li-ion Battery-Black by makita
- **How much does it cost?** $311 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/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

- • **Built to endure:** Foam cell tech and shock-absorbing pack ensure long-lasting durability and reliability on the job.
- • **Stay in control:** Integrated battery level indicator button lets you monitor power status at a glance.
- • **Power that lasts:** 4.0 Ah Li-ion capacity delivers 40% more runtime than standard 3.0 Ah batteries.
- • **Charge in a flash:** Unbeatable 36-minute full charge keeps you powered and productive.
- • **Lightweight champion:** At just 0.6 kg, it’s as light as a 3.0 Ah battery but packs a bigger punch.

## Overview

The Makita BL1840B is an 18V 4.0 Ah Li-ion battery featuring rapid 36-minute charging, foam cell technology for enhanced durability, and a lightweight design matching smaller capacity batteries. Ideal for professionals demanding reliable, long-lasting power with quick recharge times.

## 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

Review: Works well - Good little battery that has a button that you press to indicate remaining battery charge. Charges amazingly fast too.
Review: It’s awesome - Original product works perfect V good timing

## 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 |
|---------------|-------|
| ASIN | B015PVDCBM |
| Department | Unisex Adult |
| Item model number | BL1840B |
| Manufacturer | MAKITA |
| Product Dimensions | 7.62 x 17.15 x 16.51 cm; 650 g |

## Product Details

- **Battery capacity:** 4 Amp Hours
- **Battery cell composition:** Lithium Ion
- **Brand:** Makita
- **Number of batteries:** 1 Lithium Ion batteries required. (included)
- **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/51A1fF62h4L.jpg)
![Makita BL1840B 18 V 4 Ah Li-ion Battery-Black - Image 2](https://m.media-amazon.com/images/I/51qQIA7QUrL.jpg)
![Makita BL1840B 18 V 4 Ah Li-ion Battery-Black - Image 3](https://m.media-amazon.com/images/I/6120TTipkzL.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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well
*by C***R on 2 November 2021*

Good little battery that has a button that you press to indicate remaining battery charge. Charges amazingly fast too.

### ⭐⭐⭐⭐⭐ It’s awesome
*by K***N on 20 December 2021*

Original product works perfect V good timing

### ⭐⭐⭐⭐⭐ The genuine article
*by A***E on 24 October 2021*

This works perfectly with all of my Makita tools.

## 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.nz/products/331243535-makita-bl1840b-18-v-4-ah-li-ion-battery-black](https://www.desertcart.nz/products/331243535-makita-bl1840b-18-v-4-ah-li-ion-battery-black)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-25*