It’s essentially a standard 20-ft steel container fitted with fold-out photovoltaic arrays, inverters and batteries. When deployed, the container slides panels out on all sides to form a large solar field, yielding 20–200 kWp of solar generation.
[pdf] Here are the two I recommend. The Anker 548 (left) and the Anker Solix C300 DC (right). The Anker Solix C300 DC power bank station is available for $169, while the Anker 548 power station is available for $104. These two are much bigger than regular power banks, but still highly portable.
[pdf] Suzhou ZN MEOX has answered this challenge with its advanced mobile solar container solutions, which represent a leap forward in combining power generation and mobility into a single, relocatable system.
[pdf] The ROMOSS RS1000 Power Station is a portable lithium generator that provides a maximum capacity of 933Wh and 108000mAh. It is designed to be used as a backup power source for your home or outdoor activities, such as camping, hiking, and other outdoor adventures.
[pdf] A mobile solar container is a self-contained energy system that integrates solar panels, inverters, batteries, and smart management components into a movable shipping container.
[pdf] The containerized mobile foldable solar panel is an innovative solar power generation device that combines the portability of containers with the renewable energy characteristics of solar panels.
[pdf] 
