Progressive Dynamic Inteli-Power (R) 9100 Series 40 Amp Deck Mount Converter/Charger PD9140AV 19-0253

9100 Series Intelli-Power Converters provide safe, reliable, filtered DC power to all 12-volt lighting and appliance circuits. The built-in Total Charge Management System (TCMS) allows for easy addition of the optional Charge Wizard, a microprocessor-controller that constantly monitors the RV battery status and automatically selects one of the four charging modes:. * Boost Mode - (14.4) to quickly bring the battery to 90% of full charge. * Normal Mode - (13.6) safely completes the charge. * Storage Mode - (13.2) automatically activates after 30 hours of non-use. * Desulfation Mode - (14.4) for 15 minutes every 21 hours to prevent battery stratification and sulfation (the leading cause of battery failure. 40 Amp.