HUSQVARNA 40-B140 Battery (4 Ah)
Power compatible Husqvarna BLi-X cordless tools with the lightweight 40-B140 36 V battery. Offering a 4 Ah capacity and 144 Wh of energy, this lithium-ion battery combines high-power cells with ActiveCool technology and a four-LED charge indicator.
RRP: £149.99
Our Price: £135.00 (inc VAT)
In stock online
About the HUSQVARNA 40-B140 Battery (4 Ah)
Flexible Power for the BLi-X Range: Husqvarna 40-B140 Battery (4 Ah)
Part of Husqvarna’s 36 V BLi-X cordless system, the 40-B140 battery features compact dimensions and a 4 Ah capacity that make it very well suited to handheld equipment. Its high-power cells support dependable output when conditions become more demanding.
This lithium-ion battery stores 144 Wh of energy and weighs just 1.25 kg. Husqvarna ActiveCool technology manages heat during work and charging, while a clear LED interface keeps you informed.
One Battery for Multiple Husqvarna Tools
Building a cordless collection becomes simpler when different machines share the same battery platform. The 40-B140 lithium-ion battery belongs to Husqvarna’s interchangeable 36 V BLi-X system, so works across a range of compatible tools.
This platform covers equipment for domestic users and professionals alike. Its batteries range from lightweight integrated designs to larger backpack options for more demanding work.
Compact Size with Large Amounts of Energy
The 40-B140 Husqvarna battery combines a 4 Ah capacity with 144 Wh of stored energy. High-power cells are designed to maintain continuous output across different climates and challenging applications.
At just 1.25 kg, the battery adds minimal weight to compatible handheld equipment. This balance helps make extended jobs more manageable. Its compact dimensions also contribute to easy handling. The battery measures 132 mm (length) x 98 mm (width) x 117 mm (height). Fitting, removing and storing it is therefore straightforward.
The Husqvarna 40-B140 Battery (4 Ah) can be recharged up to 600 times, making it a practical long-term investment in your Husqvarna cordless setup.
ActiveCool Helps Manage Battery Temperature
Intensive work and fast charging can generate heat, which makes effective temperature management extremely important. The 40-B140 battery addresses this with Husqvarna ActiveCool technology.
ActiveCool efficiently cools the battery during both charging and discharging. This helps maintain productive performance when the battery is placed under greater demand.
Managing heat effectively also supports battery longevity. This makes ActiveCool an invaluable asset for users who regularly tackle intensive jobs or make use of fast charging.
Check Charge Levels Quickly
Knowing how much power remains in a battery helps you plan work with fewer interruptions. The Husqvarna 40-B140 features an intuitive interface with four LED indicators for a clear view of charge status.
The interface communicates battery error information too, so you don’t need to waste time trying to identify technical issues.
Husqvarna has also added orange detailing to improve visibility in poor light. This small but useful feature makes the 40 B140 battery easier to spot amongst other equipment.
Charging Options to Suit Your Routine
A choice of compatible chargers lets you build a setup around the way you work. Chargers are available to purchase separately from the battery.
Options we sell include the Husqvarna 40-C80, 40-C250, 40-C500X, 40-C750X and 40-USB150X. This selection includes solutions for a range of charging requirements.
The Husqvarna 40-C80 Charging Rail is also available to buy as an optional extra. It provides a practical solution for users developing a wider cordless equipment collection.
Husqvarna Warranty Protection
Husqvarna has a long history of manufacturing top-quality garden tools and machinery. The company continues to develop market-leading cordless technology for both domestic and professional applications.
For added reassurance, the Husqvarna 40-B140 Battery comes with a two-year manufacturer’s warranty for domestic use. Professional users receive one year of warranty cover.
Expand Your Husqvarna Cordless Setup
If you own Husqvarna BLi-X cordless tools, the 40-B140 lithium-ion battery offers a versatile power solution. Its 4 Ah capacity and 144 Wh energy rating are perfectly paired with compact dimensions and effective cooling.
Purchase the Husqvarna 40-B140 Battery today and add reliable, interchangeable power to your compatible Husqvarna cordless equipment.
FAQs
What is the expected lifespan of the Husqvarna 40-B140 Battery?
The Husqvarna 40-B140 is designed to withstand up to 600 recharge cycles. ActiveCool technology manages heat during charging and operation, helping support dependable performance and a long battery service life.
What battery chargers are compatible with the Husqvarna 40-B140?
Compatible chargers include the Husqvarna 40-C80, 40-C250, 40-C500X, 40-C750X and 40-USB150X. We also sell the Husqvarna 40-C80 Charging Rail for users who need to manage multiple chargers.
HUSQVARNA 40-B140 Battery (4 Ah) Technical Information
Battery
- Battery Voltage: 36 V
- Battery Capacity: 4 Ah
- Battery Energy: 144 Wh
- Battery Chemistry: Lithium-ion
- Battery Ecosystem: Husqvarna BLi-X 36 V
Dimensions & Weight
- Weight: 1.25 kg
- Height: 117 mm
- Length: 132 mm
- Width: 98 mm












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