I would get 2 of these:

https://www.amazon.com/dp/B01CDTED80/?coliid=I2I13L11WOU8DA&colid=2PUV7321PPGW9&ref_=lv_ov_lig_dp_it&th=1

then add:

https://www.amazon.com/dp/B07FVY51PW/?coliid=I3G2LOTWDV14CG&colid=2PUV7321PPGW9&psc=1&ref_=lv_ov_lig_dp_it

you may need something like this

https://www.amazon.com/dp/B07Q5PHHFK/?coliid=I13N8SZ764D7SZ&colid=2PUV7321PPGW9&psc=1&ref_=lv_ov_lig_dp_it

and plug into a large USB battery pack.