The BEP Marine Mini Battery Selector Switch is a compact 701S selector switch for managing two batteries on a boat. It provides a simple way to separate batteries and uses the same housing dimensions as the BEP 701. Brand: BEP Marine Model: 701S Product type: Mini battery selector switch Battery use: Separating two batteries Test standard: BEP Marine Battery Switch Test Procedures, UL 1107 Ratings tested: Continuous 1 hour, intermittent 5 minutes, and cranking 10 seconds Hardware: Tin-plated copper studs and nuts Housing: Same dimensions as the 701, with removable side plates and back cover Protection: Ignition-protected Note: Selector switches will not separate electronics from harmful engine starting spikes. Warning: This product can expose you to chemicals including di(2-ethylhexyl)phthalate, known to the State of California to cause cancer, birth defects, or other reproductive harm.