80 Amp Progressive Dynamics Inteli-Power 9200 Series Converters with built-in Charge Wizard will recharge your RV's battery to 90 percent in 2-3 hours;Many converters only have one charging mode, 13.6 volts, which can result in battery boil-off;Boost Mode: Rapidly brings RV battery up to 90 percent of full charge;Normal Mode: Safely completes the charge or maintains the charge;Storage Mode: Maintains charge with minimal gassing or water loss during periods of non-use or storage

• Progressive Dynamics (PD9280V) 80 Amp Power Converter with Charge Wizard

Progressive Dynamics (PD9280V) 80 Amp Power Converter with Charge WizardProgressive Dynamics