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The evolving role of the 12v battery

By autotech-nath on June 18, 2024

Nearly all EVs and hybrid vehicles require a 12 Volt power supply, powering comfort and critical safety features, including ADAS, while driving, parked and when the high-voltage battery is disconnected from the drivetrain.

Clarios states it is the number one supplier to OEMs with its VARTA brand, providing 12V batteries to over 60% of new vehicles in Europe, for the likes of Mercedes, VW and BMW.

Battery E-Learning is now live on its Partner Portal to complement its face-to-face training, which also provides a battery finder, fitting instructions and technical articles.

Login and click the ‘menu’ in the top left of the screen to get free and unlimited access to the VARTA E-Learning at



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