The Manager30 is a complete battery management system for charging auxiliary batteries used in recreational automotive and marine applications. The dual battery system incorporates AC, DC and solar inputs to achieve the best charge for an auxiliary battery. Developed with ease of installation in mind, The Manager30 is compatible with all vehicles and alternator systems including variable voltage alternators. Whether you're charging Lead Acid, Gel, Calcium, AGM or Lithium Iron Phosphate batteries, The Manager30 represents a complete DC to DC charging and maintenance solution. If you're charging one auxiliary battery or more, The Manager30 will ensure they're always fully charged, providing peace of mind when battery charge provides the power source for the comforts of home whilst travelling around.