New 12v 14v 15v 18v 24v (8-36v) To 12v4a5a Dc Dc Boost Buck Power Converter Automatic Step Up Down Voltage Regulator Stabilizer - Inverters & Converters - AliExpress
12 V DC PCB relay features 50 A to 14 V DC switching capability - Power Electronic Tips
Amazon.com: EHDIS 12V Motor Relay 5 Pin Coil 40amp Spdt Model No.: JD2912-1Z-12VDC 40A 14VDC, Contactor Relay Switch Power, Auto Switches & Starters, 5 Pack : Automotive