Which is the best outdoor portable power station?

Xi'an Zhengdao Electric Co., Ltd. mainly sells as an agent: 3.6kwh outdoor portable power supply and 300W-500W outdoor portable power supply, solar lamp series of civil products: intelligent urban solar street lamps, intelligent monitoring solar street lamps, solar multi-functional lawn lamps, solar power plants, solar intelligent water pumps, solar insecticidal lamps, Internet of Things+solar traffic sign lamps and solar appliances,Solar garden lamp, solar lawn lamp, solar pillar lamp, solar ceiling lamp, solar mosquito killer lamp, solar monitoring lamp, solar off grid (independent) power supply and solar water pump, photovoltaic power generation project。

The main products are smart urban solar street lamps, intelligent monitoring solar street lamps, solar multi-functional lawn lamps, solar power plants, solar intelligent water pumps, solar insect killing lamps, Internet of Things+solar traffic sign lamps, and Taineng electrical products.

The output power of portable power station ranges from 200W to 3600W, which is widely used in environmental protection, fire protection, emergency, power, medical, outdoor and other fields.