Rocket ESC 120-12 sealed lead acid battery the most popular series of ROCKET Baeries; The ESC series has been performing with a proven track record years. It has successfully exemplified its quality and reliability in some of the most demanding power condions by providing unrelentless backup power supply. With the same characteriscs as that of the ES series, the ESC series provides power realiability to applicaons which require longer backup me. This series is widely used in UPS as well as Telecommunicaon Applicaons in many parts of the world. The ESC series is world renowned and recognised as a Highly realiable Baery System in the industry