Portable power station is a new product in recent years. If you don't understand the composition of portable power station, you can't make the right choice.
Now on the market, whether it is outdoor power supply, outdoor mobile power supply, portable power station is a kind of energy storage power supply, below I collectively refer to it as energy storage power supply.
The portable power station is not an electric energy production unit, but an electric energy storage warehouse, just like a granary, which stores the external electric energy first, and then releases the electric energy when and where it is needed.
Composition of portable power station:
The portable power station consists of four parts: power conversion unit, power management unit, power storage unit, and power supply unit.
1. Power conversion unit: The electric energy stored in the portable power station comes from the outside. There are many kinds of external electric energy, such as electricity from the city grid, solar power, wind power, and so on.
The power storage unit is composed of batteries, not all electric energy can be stored, and the external electric energy must be converted into electric energy that can be stored by the battery.
The power conversion unit is a component that converts external electrical energy into electrical energy usable by the power storage unit, such as a charger.
2. Power management unit: It mainly manages the charging and discharging of the battery, the amount of capacity, strength, and temperature. It mainly uses the characteristics of the battery as a standard to manage the measurement, start, stop, on, and off of electric energy. Such as battery protection board, BMS battery management system.
3. Power storage unit: portable power station does not produce electric energy, but is a warehouse for storing electric energy. This warehouse is composed of batteries, which can be lithium batteries, lead-acid batteries, or supercapacitor batteries. These batteries have their own characteristics .
4. Power supply unit: The ultimate purpose of the portable power station is to take out the stored electric energy and supply it to electrical appliances at the required time and place.
Due to the diversity of electrical appliances, the diversity of required power is required, so the power supply unit is required to convert the stored electricity and then supply it to various electrical appliances. There are commonalities in the diversity. They are basically international and relatively mature. They are all ready-made.
For example, inverter, USB, cigarette lighter, and TYPE-C are all power supply units.
2. The core of the portable power station: In the process of power storage, the power storage unit is the end point, passing through the power management unit; in the process of power supply, the power storage unit is the starting point, passing through the power management unit, where charging and discharging In the process, the power storage unit and the power management unit are the intersection points and the core of the portable power station.
Power management unit and power storage unit occupy most of the cost of portable power station.
