XS Power was established in 2005. From the beginning we have had a technological edge over our competitors because of our strong commitment to product testing. As has been said in NASCAR, "all the BS stops at the dyno." The same is true for high performance batteries. We have an in-house testing lab, we employ the services of outside accredited labs, as well as outside experts to insure we bring you the best. When we put a label on a product you can count on it.Using the highest energy density chemistry known in AGM batteries, XS Power is now the battery of choice for competition car audio. With large 12V batteries as well as the 16V models, more and more records are being smashed every day with XS Power batteries on board.But not only can we get loud, we can go fast. XS Power has a battery for every form of racing! With a wide selection ranging from 12 pound 12V batteries to 14V batteries for the street to 30 pound 16V batteries, XS Power has you covered. Tested in everything from 300+MPH Salt Flats cars to dirt track to circle track to drag racing to boat racing, XS Power has the only batteries you need for racing. Any place, any time, any kind.Do you have a custom or unique application and you don't see a part number for it? Call us and we may be able to custom manufacture a battery for you right here in East Tennessee.For these reasons our products have found their way into the winners circle at sanctioning bodies around the world. If you're serious about the performance of your vehicle, if you have a vehicle worth taking a picture of, you need an XS Power battery. Join the other winners who run XS Power!