Marinco 2740A Guest ChargePro 40 Amp 4-Bank On-Board Marine Battery Charger

The Marinco Guest 2740A ChargePro is a professional-grade 4-bank on-board marine battery charger designed to keep your vessel's batteries fully charged and maintained. This 40-amp charger provides 10 amps of charging power per bank, making it ideal for boats with multiple battery systems including trolling motors and starting batteries.

Advanced Digital Charging Technology:

• Fully automatic 5-stage performance charging for optimal battery health
• High-frequency digital charging technology for efficient power delivery
• Dedicated charging, sensing, and control circuitry for each independent bank
• Auto-maintain energy saver mode with 13.4V float voltage to prevent overcharging
• 14.6V absorption voltage for complete battery charging

Rugged Marine Construction:

• 100% waterproof to IP67 standards for fresh and saltwater applications
• Low-profile flangeless extruded aluminum housing with molded gaskets and heavy-duty end caps
• Shock-resistant plastic composite enclosure built for harsh marine environments
• Up to 40% lighter than comparable chargers for easier installation

User-Friendly Features:

• Expanded LED charge status monitor displays the charging progress for each bank
• Wiring and battery fault detection with visual indicators
• Pre-wired with 6-foot power cable and heavy-duty strain reliefs for easy installation
• 120V AC input with NEMA 5-15P plug (operates on 90-135V, 50/60Hz)

Comprehensive Safety Protection:

• Built-in reverse polarity, over-current, over-voltage, over-temperature, and ignition protection
• In-line fuses for maximum DC wire protection
• Minimum battery voltage detection (4.0V per bank) prevents charging damaged batteries

The Guest 2740A is compatible with all 12-volt flooded and AGM lead-acid batteries. Versatile configuration options allow you to charge four separate 12V banks, two 24V trolling motor banks, or one 36V trolling motor system plus an additional 12V starting battery. Dimensions: 8.7" L x 9.0" W x 4.1" H. Backed by a 2-year manufacturer warranty.