Makita BL1840B 18V 4.0Ah Lithium Battery with Charge Indicator

The Makita BL1840B 18V 4.0Ah battery is a professional lithium-ion battery designed to provide extended runtime and reliable performance on Makita 18V LXT® tools. Equipped with a LED charge level indicator, it allows for quick checking of remaining power, offering prolonged working times and fast recharging with compatible Makita chargers. 

The Makita BL1840B 18V 4.0Ah is a high-quality lithium-ion battery designed for professionals and demanding users who use Makita cordless tools from the LXT® 18V series. Thanks to its 4.0Ah capacity, this battery offers up to 35% more runtime per charge compared to lower capacity models, allowing you to work longer without constantly replacing the battery.

The integrated LED charge level indicator allows for a quick view of the remaining charge with a simple press of a button, helping the operator to better manage work cycles and charging planning. The battery fully recharges in approximately 36-40 minutes with a compatible Makita rapid charger, reducing downtime.

Designed with high-quality cells and a robust construction, the BL1840B maintains constant power delivery even in demanding working conditions and low self-discharge when not in use. It is compatible with a wide range of Makita 18V tools, including drills, drivers, grinders, and saws, making it a versatile choice for construction sites, workshops, and advanced home use.

Why choose it

Extended runtime with 4.0 Ah capacity for longer work sessions.

Integrated LED charge level indicator to easily monitor battery status.

Fast charging in approximately 36-40 minutes with a compatible Makita charger.

Compatible with a wide range of Makita 18V LXT® tools.

Lithium-ion technology with low self-discharge and superior durability.

Key advantages

High operational autonomy for cordless tools.

Simple and practical charge status indicator.

Fast charging with a compatible Makita rapid charger.

Compatible with the entire Makita 18V LXT® platform.

Durable and reliable even in demanding working conditions.

Ideal for

Construction professionals and maintenance workers.

Carpenters and artisans with Makita cordless tools.

Advanced home users who require reliable performance.

Work teams that use Makita 18V tools intensively.

Those who want to easily manage the charge level of their batteries.

Product FAQs

Q: Is this battery compatible with all Makita 18V tools?

A: Yes, it is compatible with Makita 18V LXT® tools indicated by the Star Protection symbol or the yellow receiver.

Q: How long does it take to fully charge?

A: With a compatible Makita rapid charger, the BL1840B recharges in approximately 36-40 minutes.

Q: How does the charge indicator work?

A: You can see the remaining charge level via the status LEDs on the battery by pressing the dedicated button.

Q: Does the battery self-discharge when not in use?

A: Makita lithium-ion batteries have low self-discharge, remaining ready for use even after periods of inactivity.

Q: Is the charger included?

A: The battery is sold individually; chargers and tools are not included in the package.