Yes. I used the 2 following items.
Voltaic Systems V75 Always On External Battery Pack with Dual USB Ports - 19,200mAh
https://www.amazon.com/gp/product/B084BPSFKH/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
WISSBLUE Solar Panel Charger 22W 60W, Dual USB 2.4A 4.2A Fast Solar Charger
https://www.amazon.com/gp/product/B07PGSHRDZ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1