@kelbot Get one of these and a USB light. You'll be able to charge little battery banks/phones if need be.
https://www.amazon.com/gp/product/B07HNP94GZ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
I use it with this all the time.
https://www.amazon.com/gp/product/B07GF5JY35/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
@kelbot Just noticed it's unavailable. You can probably find something like it.