Chris Products PM3-55SME PowerMax 55 Amp RV Converter Charger Lithium Compatible

The PowerMax PM3-55SME is a 55-amp AC to DC power converter and smart battery charger designed for RVs, boats, and industrial power systems. It converts 110V AC shore power into clean, regulated 12V DC output to simultaneously charge your battery bank and power onboard 12V equipment.

The SME Series features a built-in LCD voltage display for real-time monitoring and supports three selectable operating modes: Fixed Voltage Mode, 2-Stage Lithium Charging, and 3-Stage Smart Charging for lead-acid, AGM, and gel batteries. Output voltage is fully adjustable from 13V to 16.5V DC, making it compatible with a wide range of battery chemistries including LiFePO4 lithium when configured as recommended by the battery manufacturer.

Key Features:

• 55 amp, 12V DC output — converts 110V AC to 12V DC
• 3-2-1 stage smart charging profiles for lead-acid, AGM, gel, and lithium batteries
• Adjustable output voltage from 13V to 16.5V DC
• Built-in LCD voltage display for instant system monitoring
• Variable-speed intelligent cooling fan for quiet, efficient thermal management
• Automatic thermal shutdown protection
• Electronic current limiting and reverse polarity protection
• High and low line voltage protection
• UL and CUL approved
• Deck-mount design for flexible installation near the battery bank
• 2-year manufacturer warranty

The PM3-55SME is suitable for use in motorhomes, travel trailers, fifth wheels, marine vessels, car audio systems, and off-grid applications where reliable 12V power conversion and smart battery charging are required.