Emergency Converter for JH-Y Style Fluorescent Lamp our company produced is used in all kinds of fluorescent lamp lighting situation. It can not influence the performance and use of the fluorescent lamp, after been added the emergency converter on it. When the power supply stopped suddenly, the lamp which added the emergency converter can start by itself after one second and light the lamp. It provided the black situation with light. This emergency converter used the nickel-cadmium batteries as the storage battery group. Its life expectancy can reach 1000 times for full charge and discharge. One normal battery group can mountain lighting for over one hour. If need prolong the lighting time, you can increase the battery capacity, then the time can reach 2 hours. And this emergency converter has circuits for auto current-limiting and constant voltage charge, and protecting from over-discharge and protecting from no-load current. So it can insure the safety and credibility.