... undertake DC power system of specific capacity and voltage. The products are mainly used in power system, like power plant, hydropower station, substation equipment, and other DC ... realize telemeter, tele-signaling, tele-control, tele-regulation and unattended operation in power system ClassificationAccording to system capacity: 38AH, 50AH, 65AH, 100AH, 120AH, 150AH ...