Lead Crystal® batteries have been certified by renowned global institutions. Day in day out, the batteries are put to the test. The manufacturer, Betta Batteries, holds ISO 9001, 14001 and 18001 certification and is CE and UL accredited. Moreover, the company is IEC 60896-21 and 22 compliant. The distributor, Elfa is also ISO-9001 certified. The actual batteries have been tested in many different respects by Dutch and other test institutions and companies. 

The superior performance of Lead Crystal® batteries compared to the current lead-based alternatives is endorsed by renowned institutes such as the Technical University of Eindhoven in the Netherlands

Test results are available from Elfa.

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