PM3-45LK 45 Amp Power Supply Converter Charger 110 Volt AC to 12 Volt DC for RV
Converters 120VAC shore power into usable 12VDC power. Capable of charging your RV's battery while also powering low voltage lights and appliances. Available in several capacities: 45-amp, 55-amp, 75-amp, and 100-amp.
Works with both lead batteries and lithium batteries.