The dual battery system incorporates AC, DC and solar inputs to achieve the best charge for an auxiliary battery.
Multi-stage AC-DC battery charger;Multi-stage DC to DC charger;Maximum power point tracking solar regulator;Improved, 4.3 color display battery monitor;Bluetooth connectivity to monitor battery performance via mobile device;Dual battery isolator; Load disconnect controller;Super quiet operation;Charges AGM, Gel, Calcium content, VRLA, Standard Lead Acid and Lithium (LiFePO4) batteries;California Residents:WARNING REDARC Manager 30 Color Display - BMS1230S3R-NA Whether you're free camping or on a powered site, it knows how to take charge and keep auxiliary batteries fully charged.