AUX1 VARTA Silver Auxiliary Dynamic Car Battery Innovation with Purpose, Premium Experience, Powerful History VARTA was founded in 1887 Germany, and was established fully in 1904 by delivering the first electric vehicle battery, famously driven by Thomas Edison. Soon after, VARTA delivers the first ever vehicle battery to provide safe night time driving with electric vehicle headlights! Today’s VARTA batteries have been providing renowned German advanced technology, powerful performance and exceptional service around the world for well over 100 years. VARTA Silver Auxiliary Dynamic batteries provide electrical equipment with uninterrupted functionality. Modern cars consume a considerable amount of electricity. So, these vehicles with combustion engines often come with two batteries - a 12V starter battery and an auxiliary battery. So, when it comes to replacing an old or defective auxiliary battery, it is important to rely on a high performing substitution. It is important to always replace an AGM auxiliary battery with another AGM auxiliary battery so not to risk any malfunctions and car breakdowns.