Yea I actually had my eyes set on this one earlier today because it’s waterproof so I figured it would work well mounted in the engine compartment next to the batteries and then I can run one a plug in there.

https://www.amazon.com/dp/B08G3NVR1N/ref=cm_sw_r_cp_api_glt_fabc_Z1MK8QZ21C97H51N9TRH?_encoding=UTF8&psc=1