Meishan Steel Plant is a subsidiary company of BAO Steel Corp.The VRLA batteries used in every converting room and DC cabinet in voltage electrical distribution room. Every cabinet need 1 string of 18x12V cells.It take 2-3 hours to maintain the battery in 2 cabinets.DELTO provided a solution for converting room and high-voltage electrical distribution room.The system can monitor the internal resistance and know the true condition of battery,which cut the maintainence cost and avoid the accidents caused by battery’s failure.