5Pcs/set JD1912 Waterproof Automotive Relay Car Relay 12V 40A 4Pin 5Pin Auto

Once you try the auto-off, you will find that it helps avoid unnecessary energy use.

6Pack 12V 30A Fuse Relay Switch Harness Set SPST 4PIN 5PIN 14 AWG Hot Wires US

A nice touch is the matte finish on this unbranded relay, which resists fingerprints and looks tidy on aYou will find that this unbranded relay is easy to source, and the price stays reasonable for small projects.