Buenas tardes.
Veo que has instalado un separador de carga moderno que ya no utiliza diodos sino que es de tecnologia mosfet. Esta tecnologia evita la perdida de voltage de unos 0,6 v de los antiguos separadores....
copiado y pegado de tu link :
While battery isolators are conventional diode splitters, the Battery Mate’s technology is electronic and includes mosfets (transistors). Its components compensate for the voltage drop and ensure that charging continues at the right voltage level, even with several battery banks.