The High Capacity Lithium Battery for Audi SEAT Skoda VW 3G0915089 is a reliable emergency calling gateway battery designed to provide a voltage of 8.4. With overcharge protection features and a manufacturer warranty of 1 year, this lithium ion battery is a dependable choice for your vehicle. Made in China, this battery has a length of 70mm and a height of 20mm, ensuring a secure fit in your vehicle's emergency calling system. Upgrade your vehicle's battery with this high-quality lithium battery for added performance and peace of mind.