... Light controller,rated charge current 20A,System voltage 24V/12V AUTO,Overload, short circuit protection, Main Features of Sunning Series ... indicator (LOAD) Always. If the load current exceeds 1.25 times the rated controller rated current for 60 seconds, or ... load current10A-20ASystem voltage12V 24V/12V AUTOOverload, short circuit protection1.25 times the rated current for 60 seconds, 1.5 times ...