The NP Series is a new generation of valve-regulated lead acid battery. It uses the latest in oxygen recombination technology to ensure you get the most out of your battery. \nThe NP Series is designed for a range of specialty power applications. \n\nSpecial Features\n- can be stored for an extended period of up to a year. \n- sealed construction – no electrolyte leakage. \n- low maintenance. \n- pressure venting system, releasing excess gas. \n- great recovery from deep discharge. \n- electrolyte suspension system. \n- gas recombination. \n- multipurpose – float or cyclic use. \n- usable in any orientation (except continuous inverted). \n- superior energy density. \n- lead calcium grids for extended life. \n- application specific designs.