Autovehicle buying tricks and BMW premium used cars for sale by car dealers Reading, UK? Affordable, reliable and quite powerful, the Soundquest Power battery is a perfect secondary battery for your audio needs. With excess of 2000 Watts, this battery will not only make your car music sound perfect (especially that bass!) but you can also say goodbye to flickering lights. The Soundquest battery uses Absorbent Glass Mat (AGM) technology, which makes it highly durable and efficient at what it does – it runs something up to a whopping 2000 Watts without causing any issues that usually come with high-powered …