If the lithium battery of the portable UJP8 energy storage power supply is not used for a long time, it should be charged once within three months at least. In this way, the capacity of the portable outdoor power supply will not be reduced, and this is for extending the service life of the portable uPS outdoor f energy storage power supply. It also helps a lot.

Before not using outdoor portable UPS power supply, its safe storage power should be maintained at 60-709%.