How long does it take to charge a 12V lead acid battery❓❓❓ The battery charging time should be determined according to the battery capacity and charging current. The greater the current flowing from t...
Modern fire alarm systems use automatic functions to detect the occurrence of events that could lead to a fire. They receive signals from fire sensors (smoke, heat or carbon monoxide detectors) and au...
GEM Battery has two series of GS and GM batteries to provide different power requirements. The GS series can be used for capacity powering of UPS, stereo and mobile speakers, various lights, cam...
Surveillance cameras need power-on all the time in order to keep all the picure captured and saved for any demand of review , especially when related to security issues. It is quite important to purch...
By the development of social civiliztion, the demand of home security system is growing. It's not only for household security but also for living areas, industrial areas, public areas such as school, ...
GEM Battery GM, GDC, GzV and GzS series solar power batteries are maintenance-free, safe and easy to use, and are an economical choice to reduce your energy costs and grid dependence with&nb...
Emergency lighting system shall be running all the time. The exit-lights and all other emergency lights are powered by on-grid power supply, which includes powering the battery to keep it fully charge...