... cells) are widely used for the engine starting power of diesel locomotives, railway, UPS systems, AGV, light truck trains, DC cabinet, distribution ... Ni-Cad battery are widely used as emergency back-up power supply for railway and rolling stocks (crossing guards, lighting, ... (between 30 minutes to 5 hours) such as railroad DC power sources, UPS, gas turbine control, etc. KPL TYPE (Low Discharge Rate ...