https://www.amazon.com/Renogy-Monocrystalline-Solar-Compact-Design/dp/B07GF5JY35/ref=mp_s_a_1_5?dchild=1&keywords=12v+solar+panel&qid=1591242399&sprefix=12v+&sr=8-5

https://www.amazon.com/EEEKit-Charger-Controller-Intelligent-Regulator/dp/B07QZXMWLM/ref=mp_s_a_1_2_sspa?dchild=1&keywords=solar+charger+controller&qid=1591242368&sprefix=solar+charger+co&sr=8-2-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExNUlIOElDVVcwNlo2JmVuY3J5cHRlZElkPUEwOTI1OTY2SElRT1ZKRVA3Qk84JmVuY3J5cHRlZEFkSWQ9QTAyNTcwODQzOFZYU0ZQRjJQMkxBJndpZGdldE5hbWU9c3BfcGhvbmVfc2VhcmNoX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=

12v panels are not cheap but this could work for a temp setup even

Edit: look for something like that on Alibaba,I used Amazon because I was lazy