With overcharge, over discharge, overcurrent, short circuit, over temperature protection. With a communication function, you can communicate with the computer, real-time monitoring of the battery parameters and status of the monomer. The product is widely used in access network equipment, remote exchange, mobile communication equipment, transmission equipment, satellite ground station, and so on, which is characterized by its integration, miniaturization, convenient battery maintenance, unattended, easy to use, energy saving and environmental protection. And microwave communications equipment and other communications or as a backup power supply. Major Technique Parameters: 1)Normal Capacity: 80-200Ah 2)Min.Capacity: 80-200Ah 3)Factory Voltage: 49.5V- 50.5V 4)End of discharge Voltage: 39V-40.5V 5)Maximum Continuous Discharge Current: 100A 6)Internal Resistance: 100m 7)Charging voltage 53.2-54V 8)Operation Temperature Range(Charge): 0-45C 9)Operation Temperature Range(Discharge): -20~60C 10)Dimensions: L482.6x W442x H177mm(contain terminal) 11)N.W: Approx.39KG