← Testing Methods · Entity: TestingStandard · ID: WBH-STD-DIN43539

DIN 43539

Starter battery cranking · Region: Germany / Europe

Direct answer: DIN 43539 is a germany / europe standard for Starter battery cranking of Lead-acid batteries. German starter-battery test — CCA at −18°C with a stricter 9.0V cut-off, so its CCA number reads lower than EN/SAE for the same battery.

Quick facts

Standard	DIN 43539
Region	Germany / Europe
Battery chemistry	Lead-acid
Test object	Starter battery cranking
Scope	German starter-battery test — CCA at −18°C with a stricter 9.0V cut-off, so its CCA number reads lower than EN/SAE for the same battery.

What this standard covers

Test object: Starter battery cranking for Lead-acid batteries. Scope: German starter-battery test — CCA at −18°C with a stricter 9.0V cut-off, so its CCA number reads lower than EN/SAE for the same battery.

Standards define test procedures and pass criteria — the measured values are only comparable when the same standard and conditions apply. See the CCA reference for the standards' measurement context.

How this test is used

DIN 43539 is used to assess starter battery cranking for lead-acid batteries in Germany / Europe. The result is only meaningful when the sample, conditioning and test conditions match the standard; a number without those details is not comparable.

What to request from a supplier

The exact standard edition and the clause that was tested.
Sample conditioning and test temperature.
The raw data, not only the pass/fail summary.
The laboratory's accreditation scope for this test.

Related standards

Compare with other chemistry-specific standards in the standards index, and check the manufacturer's claimed certificates against the underlying test report.

Common misapplication

Two failures account for most disputes: comparing results obtained at different test temperatures, and treating a supplier's summary as raw data. Ask for the clause tested and the conditioning; if either is missing, the result cannot be compared with another laboratory's.

Frequently asked questions

What does DIN 43539 cover?

German starter-battery test — CCA at −18°C with a stricter 9.0V cut-off, so its CCA number reads lower than EN/SAE for the same battery.

Which batteries does DIN 43539 apply to?

Lead-acid batteries in Germany / Europe. The object is Starter battery cranking.

What should I request from a supplier?

The exact edition and clause tested, sample conditioning and test temperature, raw data, and the laboratory accreditation scope for this test.

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