With firm structure and low internal resistance, Nickel-cadmium Alkaline Secondary Battery has multiple advantages, such as long lifespan, low self-discharge, overcharge and overdischarge endurable, temperature adaptable (-25-+45°C；extremly temperature -50-+70°C) that can be used in high-speed railway, metro, ship, military industry, power industry, communication industry and instrumentation industry.

Guarantee the electric power for all the onboard applications of metros, light rails, high-speed EMUs and EMUs.