250+ Amp 12Vdc, bi-stable relay. For single Nomia 12V100Ah, Nomia 12V160Ah and Nomia 12V210Ah Super B lithium battery use. - Limited continuous current 190A at 85 ° C / 185 ℉ - Electrically adjustable and resettable ON / OFF (on / off) "bistable" device - Suitable for voltage levels up to 12 VDC - Carrying capacity high peak current up to 1500A