This portable ups power is as portable UPS, it works as power bridge during national grid power fluctuation, unit itself will not discharge as house power is on.
It is ready to power your device within 5 ms when house AC power is cut, and keep your device working without shutdown.
This portable power station can be used as a family emergency power station, home portable power station, outdoor portable power station, field lighting power supply emergency rescue portable power station. It supports mains charging, vehicle charging and solar charging.