What needs to be paid attention to in the protection of portable UPS power system?

What are the protection requirements for portable UPS power systems? Annual protection is necessary every year. For example, all kinds of things, all kinds of measuring instruments, and all kinds of difficulties that may be encountered. There are corresponding countermeasures, methods and methods for the problems encountered. Check the solder joints of the portable UPS power cabinet, the main power circuit, the DC power circuit, the drive components, the printed circuit board, whether the solder joints have false welding, false welding, cracks, and whether the components are burnt or discolored. Whether the transformer coils, connectors, and chokes are overheated, discolored, or enameled wires fall off, and whether the connections are firm. For the portable UPS stored for a long time, it should be started and charged once every 3 to 6 months, otherwise the UPS host and battery will be damaged. Generally, UPS has a protection method for battery discharge, but it must be protected and shut down during discharge. The battery can be restored to a certain voltage, but it is not allowed to start from the beginning at this time, otherwise it will cause battery discharge. The portable UPS must be charged from the beginning before normal operation. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Explain the use of lithium batteries