The portable power station and accessories best suited for you are

Multiple Use Scenarios
DJI Power 500
DJI Power 500 has dual two-way USB-C ports, dual AC output ports, dual USB-A ports, and one SDC Lite port. It is highly versatile to make power usage in various scenarios more convenient. It can connect to different types of solar panels, power cables, and adapter cables, meeting the needs of a variety of power supply and recharging options.
From 399 €

Supports Solar Recharging
240W Solar Power Recharging Kit
One DJI Power Solar Panel Adapter Module (MPPT) can connect to one to three solar panels for solar recharging. Solar panels from DJI-certified brand Zignes are recommended.
657 €