Communication Backup Power Supply is an integral part of every ground system. When a communication or cell phone site loses power even momentary, calls are dropped, and data flow is interrupted while ground equipment goes through the reset process. In addition, the system is open to failures associated with startups. Battery backup and emergency generators provide uninterruptible power to rectify this issue. When utility power is lost, a controller switches tower and ground equipment to back-up battery supply. Huinan High-tech Industrial... read full review »