Do you have a DC 12 volt power system that has equalization charge or float charge or maybe the idle voltage of your system is not very stable and moves up and downWe at 12vmonster offer a wide range of wide voltage range LED light bulbs in multiple types of fittings , these lights work from DC 10V - 30V and AC 12V - 24V and are available in G4 JC 2 pin base + E26 / E27 edison screw base + B22 bayonet BC base . We have a very wide selection of wide voltage range LED bulbs if you dont see what you need here , send us a message with your request , and we may just have it. UPC: 755702902038
