DC 24 V uninterruptible fire power supply is a large capacity DC 24 V uninterruptible power supply equipment, which provides uninterruptible power supply for electrical equipment with nominal voltage of 24 v.The power box can be built-in 50ah backup battery or external battery pack larger than 50ah; The battery charging voltage and current can be adjusted, and can be connected to nickel cadmium or lead-acid battery;When the city power grid is cut off, the power supply system can automatically switch to the standby power supply without gap, which can be customized according to the needs of customers.