The Enersys Datasafe HX battery series is designed specifically for UPS applications. UPS applications (uninterruptible power source) demand both reliability and high levels of security. The 12HX205 from Enersys is a battery that can do both. It's designed with features like a flame retardant case, positive and negative plate grids, and a brass threaded receptacle, bolt termical and faston terminals. It has a capacity of 44 Ah and comes in at just 43 lbs.