Last updated: June 3rd, 2026

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The Bosch S5 series represents the premium end of Bosch’s conventional lead-acid starter batteries, designed for drivers who expect more reliability, higher starting power, and longer service life than entry-level products can offer. These batteries are built with advanced grid technology and high-quality internal components that help reduce corrosion, improve current flow, and ensure stable performance over many years of use. The S5 range is aimed mainly at modern European vehicles with higher electrical demands, but without start-stop systems. Bosch positions this series above the S3 and S4 lines, offering stronger cold-cranking performance and better reserve capacity for vehicles equipped with multiple comfort and safety systems.

The Bosch S5 S50 04 is a classic flooded lead-acid battery with a capacity of 61 Ah and a maximum cold cranking current of 600 A. This combination makes it very well suited for petrol and diesel engines that require reliable starts even in colder climates. It is important to note that, as a standard lead-acid battery, it is not designed for start-stop systems, which require EFB or AGM technology. For vehicles without start-stop, however, the S50 04 delivers an excellent balance between performance, durability, and cost.

One of the key characteristics of this model is its reduced height of 175 mm. This makes it ideal for many European cars where the battery is installed under the bonnet with limited vertical clearance. Batteries taller than standard may not fit correctly in such vehicles, so the lower profile of the S50 04 is a practical and often necessary feature. With dimensions of 242 x 175 x 175 mm, this battery fits the H5 / LB2 European size class, which is a common format for mid-size passenger cars across Europe. The battery uses standard European terminal layout (polarity 0, terminal type 1) and the popular B13 mounting system, ensuring straightforward installation in vehicles designed for this size.

In everyday use, the Bosch S5 S50 04 stands out for its strong starting power and stable voltage delivery. Compared to Bosch S3 models such as the S30 04, the S5 offers noticeably higher cranking current and better support for vehicles with additional electrical loads. Even when compared to the Bosch S4 S40 04, the S5 variant provides a clear step up in performance, especially in cold weather. Similar premium alternatives include the Exide Premium EA612, Lucas Supreme LS075, and Varta Silver Dynamic D21, all of which offer around 61–62 Ah and 600 A of starting power in the same casing size. The Bosch S5 S50 04 competes directly with these models, combining comparable technical performance with Bosch’s strong reputation for quality and consistency.

Overall, the Bosch S5 S50 04 is an excellent choice for drivers looking for a high-performance European-size battery with reduced height. It is especially well suited for modern vehicles without start-stop systems that demand reliable cold starts and long-term durability.

Specifications

Battery specification
Brand	Bosch
Series	S5
Model	S50 04
Battery technology	standard
Capacity	61 Ah
CCA (Cold Cranking Amps)	600 A
Length	242 mm
Width	175 mm
Height	175 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 S3 S30 04	53 Ah	500 A	242x175x175 mm	B13
Bosch S4 S40 04	60 Ah	540 A	242x175x175 mm	B13
Bosch S5 S50 04	61 Ah	600 A	242x175x175 mm	B13
Exide Classic EC542	54 Ah	500 A	242x175x175 mm	B13
Exide Excell EB602	60 Ah	540 A	242x175x175 mm	B13
Exide Premium EA612	61 Ah	600 A	242x175x175 mm	B13
Halfords Essentials HB 075	56 Ah	500 A	242x175x175 mm	B13
Halfords Standard HCB 075	60 Ah	550 A	242x175x175 mm	B13
Lucas Premium LP065	53 Ah	480 A	243x175x175 mm	B13
Lucas Premium LP075	60 Ah	540 A	243x175x175 mm	B13
Lucas Supreme LS075	62 Ah	600 A	242x175x175 mm	B13
Varta Black Dynamic C11	53 Ah	500 A	242x175x175 mm	B13
Varta Blue Dynamic D59	60 Ah	540 A	242x175x175 mm	B13
Varta Silver Dynamic D21	61 Ah	600 A	242x175x175 mm	B13

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Frequently Asked Questions about the Bosch S50 04 car battery

What are the main specifications of the Bosch S5 S50 04 car battery?

The Bosch S5 S50 04 car battery features a capacity of 60Ah, a cold cranking amperage (CCA) of 540A, and measures 242mm in length, 175mm in width, and 190mm in height. It has a terminal layout of 0 (positive terminal on the right), and is a maintenance-free, high-performance battery suitable for a wide range of vehicles.

Which vehicles are compatible with the Bosch S5 S50 04 battery?

The Bosch S5 S50 04 battery is compatible with a variety of car models, particularly mid-sized vehicles from manufacturers such as BMW, Mercedes-Benz, Audi, Volkswagen, Ford, and Vauxhall. Always check your vehicle’s handbook or consult a battery specialist to ensure compatibility.

What makes the Bosch S5 S50 04 battery different from standard car batteries?

The Bosch S5 S50 04 battery offers advanced calcium-silver technology for enhanced starting power, longer service life, and improved resistance to deep discharge. It is designed to deliver reliable performance even in extreme temperatures and is maintenance-free, eliminating the need for topping up with distilled water.

How long does the Bosch S5 S50 04 battery typically last?

The Bosch S5 S50 04 battery is built for longevity, with an average lifespan of 4 to 6 years depending on usage, driving conditions, and proper maintenance of the vehicle’s electrical system. Regular checks and proper charging help maximize its service life.

Is the Bosch S5 S50 04 battery suitable for vehicles with Start-Stop technology?

The Bosch S5 S50 04 battery is not specifically designed for vehicles equipped with Start-Stop systems. For Start-Stop vehicles, it is recommended to use an AGM or EFB battery, which are built to withstand frequent cycling.

Does the Bosch S5 S50 04 battery come with a warranty?

Yes, the Bosch S5 S50 04 battery typically comes with a 4-year manufacturer’s warranty, providing extra peace of mind and protection against manufacturing defects during normal use.

How should I maintain my Bosch S5 S50 04 battery for optimal performance?

The Bosch S5 S50 04 is a maintenance-free battery, but to ensure optimal performance, regularly check for secure terminal connections, keep the battery clean and free from corrosion, and avoid leaving electrical accessories on when the engine is off.

Can I install the Bosch S5 S50 04 battery myself?

Yes, the Bosch S5 S50 04 battery can be installed by most vehicle owners with basic mechanical knowledge. However, if you are unsure, it is advisable to have the battery fitted by a professional to ensure correct installation and to avoid any potential issues with your vehicle’s electrical system.