I run 2 Powermax Converters, both 55amp. My lights are (2) 40W LED's 12V's & (6) 27W LED's 12V's, (1) 55 amp Converter is for the lights the other for the the 54lb troller. I use 2500W Inverter Genny. The converters are great for charging your batteries while on the water & in use. I run silent for 3 hours with (1) 31 series deep cell when the lights dim , I start up my genny , it powers threw the to the converter where it runn ing D/C power to charge the battery while still running the lights.