Last updated: May 22nd, 2026

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The Lucas Fusion EFB battery series is designed to meet the demands of modern vehicles equipped with start-stop systems and moderate energy recovery technologies. EFB, which stands for Enhanced Flooded Battery, represents a significant advancement over traditional lead-acid batteries. These batteries are engineered for improved cycling performance and superior charge acceptance, making them a reliable choice for urban drivers whose engines frequently shut off and restart during city traffic. The Fusion EFB range from Lucas combines robust construction with enhanced performance, ensuring long service life even under repetitive charge-discharge conditions.

The Lucas LE027 is a compact and efficient 12V EFB battery with a capacity of 60 Ah and a cold cranking amperage of 560 A, providing reliable starting power in all weather conditions. It is specifically designed for vehicles that incorporate start-stop technology, helping reduce fuel consumption and emissions. Thanks to its EFB design, the LE027 is better equipped to handle the frequent engine restarts and deeper cycling that come with start-stop systems, compared to standard flooded batteries.

This model features standard terminal layout type 0, with the positive post located on the right, which is consistent with most European vehicle setups. The battery also comes with standard terminal posts (type 1), ensuring compatibility with most modern European cars. Additionally, it uses the B13 mounting base, which is the most common form of bottom securing format in Europe, with a ledge running around the entire base of the battery, providing secure and stable fitment in most passenger vehicles.

The dimensions of 242 x 175 x 190 mm categorize the LE027 as a standard L2 battery, which is commonly used in European vehicles. This size ensures compatibility with a wide range of popular car models, including hatchbacks, compact sedans, and smaller SUVs. Despite being compact, the LE027 delivers strong cranking performance and consistent power supply for electrical components such as lighting, infotainment systems, and climate control.

It is important to highlight that this battery is designed for use in European-style applications, with standard height and width dimensions. It is not a high-profile battery like many Asian models, which tend to be taller and narrower. Thanks to its EFB technology, the LE027 is suitable for vehicles with energy recovery systems but should not be confused with AGM batteries, which are used in high-end start-stop systems with even higher energy demands and regenerative braking.

When compared with similar EFB batteries on the market, the Lucas LE027 holds its own. It matches the Bosch S4 EFB S4 E05 and Varta Blue Dynamic EFB D53 in both capacity and cranking power. While some models, like the Exide EL600 or Varta N60, offer higher cranking currents, the LE027 provides excellent performance at a competitive price point, making it an attractive option for cost-conscious drivers who still require the durability and reliability of EFB technology.

In summary, the Lucas Fusion EFB LE027 is a well-rounded battery solution for modern start-stop vehicles. With its durable construction, strong electrical output, and compatibility with common European mounting and terminal configurations, it delivers dependable performance for everyday driving and urban traffic conditions.

Specifications

Battery specification
Brand	Lucas
Series	Fusion EFB
Model	LE027
Battery technology	EFB
Capacity	60 Ah
CCA (Cold Cranking Amps)	560 A
Length	242 mm
Width	175 mm
Height	190 mm
Battery layout	0 – positive on the right side
Terminal types	1
Base hold-down	B13

Similar batteries

Battery model	Capacity	CCA	Dimensions	Base hold-down
Bosch S4 EFB S4 E05	60 Ah	560 A	242x175x190 mm	B13
Exide EFB EL600	60 Ah	640 A	242x175x190 mm	B13
Halfords Advanced EFB 027	65 Ah	600 A	243x175x190 mm	B13
Lucas Fusion EFB LE027	60 Ah	560 A	242x175x190 mm	B13
Varta Blue Dynamic EFB N60	60 Ah	640 A	242x175x190 mm	B13
Varta Blue Dynamic EFB D53	60 Ah	560 A	242x175x190 mm	B13

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Frequently Asked Questions about the Lucas LE027 car battery

What are the main features of the Lucas Fusion EFB LE027 car battery?

The Lucas Fusion EFB LE027 is an Enhanced Flooded Battery (EFB) designed for vehicles with start-stop technology. It offers high cyclic durability, improved charge acceptance, and a longer lifespan compared to standard batteries. This battery is maintenance-free, features advanced grid technology, and provides reliable starting power in all weather conditions.

Is the Lucas LE027 EFB battery suitable for vehicles with start-stop systems?

Yes, the Lucas Fusion EFB LE027 is specifically engineered for vehicles equipped with start-stop systems. Its enhanced technology ensures frequent starting and stopping without compromising battery performance or longevity.

What vehicles are compatible with the Lucas Fusion EFB LE027 battery?

The Lucas Fusion EFB LE027 battery is compatible with a wide range of modern cars, particularly those requiring an EFB or start-stop compatible battery. It is essential to check your vehicle’s manual or use a battery fitment tool to ensure compatibility with your specific make and model.

What are the technical specifications of the Lucas Fusion EFB LE027 battery?

The Lucas Fusion EFB LE027 has a capacity of 60Ah (ampere-hours), a cold cranking amperage (CCA) of 560A, and measures approximately 242mm x 175mm x 190mm. It features an EFB design for improved cycling performance and is suitable for demanding start-stop driving conditions.

How does EFB technology in the Lucas LE027 differ from standard lead-acid batteries?

EFB (Enhanced Flooded Battery) technology in the Lucas LE027 provides greater cyclic durability and faster recharge times compared to standard lead-acid batteries. EFB batteries use improved materials and design, allowing them to withstand the increased number of engine starts in start-stop vehicles and to offer better overall performance and lifespan.

Does the Lucas Fusion EFB LE027 require any maintenance?

No, the Lucas Fusion EFB LE027 is a maintenance-free battery. It is sealed and does not require topping up with distilled water, making it convenient and easy to use for all drivers.

What warranty is offered with the Lucas Fusion EFB LE027 battery?

The Lucas Fusion EFB LE027 comes with a 3-year warranty, providing peace of mind and protection against manufacturing defects for the duration of the coverage period.

Can I replace a standard lead-acid battery with the Lucas Fusion EFB LE027 in my car?

If your vehicle is equipped with a start-stop system or requires an EFB battery, it is highly recommended to use the Lucas Fusion EFB LE027 or an equivalent EFB battery. Replacing a standard battery with an EFB battery can improve performance and longevity, but always check the manufacturer’s recommendations for your vehicle.