Best 12v - 24v electrics to get for prepping

I am getting a LiFePO4 Battery and want to get usb electronics I might need in no electricity situation. The battery is 300wh, no socket, just usb c,an and a cigarette outlet.

What I will get:
\- foldable 60w solar
\- usb battery charger for AA, AAA
\- light
\- fan