Using 99.9% pure, unrecycled lead and greater grid surface are, XS Power's 16V AGM Power Cell top-post batteries pack more cranking power into a smaller, lighter package . Perfect for demanding applications that are short in space, these observed glass mat batteries can be mounted at any angle (except upside-down) and don't have any external vents, so they're safe to put almost anywhere-even inside the passenger compartment .