you care about brand names, this one is Songle, which many makers mention in forum posts and guides.
Functional Devices RIB2401B, Enclosed Relay 20A SPDT, 24V/120V
What stands out about the Dold LG5925 Series is the clear datasheet layout that makes selection and setup simpler.
A nice touch is the quiet operation, so the split charge relay will not add buzzing or clicks to your cabin.