Bosch S50 01 – Bosch S5 batteries



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The Bosch S5 battery series represents the brand’s high-end line of conventional lead-acid batteries. Designed for vehicles with higher power demands but without start-stop systems, these batteries offer excellent cold cranking performance, long service life, and advanced safety features. They are ideal for modern cars equipped with numerous electronic devices, including infotainment systems, navigation units, and electric heating. Bosch S5 batteries are manufactured with PowerFrame® grid technology, ensuring high starting power and reliable energy supply even under tough conditions.

The Bosch S50 01 is a compact yet powerful battery in the S5 range, with a capacity of 52 Ah and a cold cranking current of 520 A. It is a traditional flooded (wet-cell) lead-acid battery and is fully maintenance-free under normal operating conditions. With a footprint of 207 mm in length, 175 mm in width, and a height of only 175 mm, the battery is slightly lower than the standard European height of 190 mm. This makes it especially well-suited for vehicles that require a lower-profile battery due to space constraints under the hood. Based on its dimensions, it corresponds most closely to the LB1 (207x175x175 mm) group size, a common standard in compact European cars.

The S50 01 features terminal layout 0 (positive terminal on the right) and standard European terminal type 1, with a B13 hold-down base, ensuring compatibility with a wide range of vehicles. While this battery is not designed for start-stop systems—only EFB and AGM types are suitable for those—it performs exceptionally well in conventional vehicles where durability and strong cold-start capability are priorities.

When compared to other batteries with the same footprint, the Bosch S50 01 stands out thanks to its superior capacity and cranking power. For instance, Bosch’s own lower-tier models like the S30 01 and S40 01 offer 41 Ah / 360 A and 44 Ah / 440 A respectively. Competitors such as Exide Excell EB442 (44 Ah / 420 A) or Varta Blue Dynamic B18 (44 Ah / 440 A) fall short in both capacity and starting current. Even premium models like the Exide Premium EA472 (47 Ah / 450 A) or Lucas Supreme LS063 (50 Ah / 500 A) do not match the 520 A cold cranking power of the S50 01. The closest equivalent is the Varta Silver Dynamic C6, which offers the same 52 Ah and 520 A, but otherwise, the Bosch S50 01 delivers top-tier performance within its size class.

Thanks to its reduced height, the S50 01 fits under tighter hoods and in engine bays with space limitations, which is increasingly important in modern European vehicle designs. Its compatibility with the B13 hold-down and standard European terminal configuration makes installation straightforward in a wide range of popular models.

The Bosch S50 01 from the S5 series is a standout choice for drivers who want high power and durability in a compact format. It combines premium performance with the trusted engineering of Bosch, making it an ideal replacement for older or smaller batteries with the same footprint. Whether you need a battery that starts reliably on cold mornings or simply want more power for your electronics, the S50 01 is a dependable and long-lasting option.

Specifications


Battery specification
BrandBosch
SeriesS5
ModelS50 01
Battery technologystandard
Capacity52 Ah
CCA (Cold Cranking Amps)520 A
Length207 mm
Width175 mm
Height175 mm
Battery layout0 – positive on the right side
Terminal types1
Base hold-downB13

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