Boasting 30 amps of power output, The Manager30 is a state-of-the-art battery management system designed to charge and maintain auxiliary batteries by incorporating AC, DC and solar inputs. It is ideal for recreational vehicles, caravans and camper trailers with multiple battery banks. ? ? Whether using lead acid, gel, calcium, AGM or lithium iron phosphate batteries, The Manager30 represents a complete battery charging and maintenance solution. If charging one auxiliary battery or more, The Manager30 will ensure they're always fully charged, providing peace of mind when using the comforts of home while travelling around North America. The Manager30 operates like six products in one: ? charges auxiliary batteries from the vehicle alternator while on the move? it's a 110 volt AC shore mains power charger? an MPPT solar regulator? a battery isolator? a load disconnect controller? includes a remote battery monitor, making it market-leading. ? Not sure what dual battery system is best for your vehicle? Let Shaun Whale explain more. ? California residents: see?Proposition 65 information