Dual Pro SS4 40 Amp 4-Bank Marine Battery Charger

The Dual Pro SS4 is a professional-grade 40-amp, 4-bank marine battery charger engineered for demanding marine environments. This waterproof onboard charging system delivers independent 10-amp outputs to each of four battery banks simultaneously, making it ideal for boats with multiple battery systems including trolling motors, house banks, and starting batteries.

Key Features:

• 40 total amps divided across 4 independent 10-amp charging banks
• Fully automatic multi-stage charging with battery maintenance mode
• Compatible with wet cell (flooded) and AGM battery types
• Waterproof, rugged construction rated for fresh and saltwater use
• Advanced microprocessor control with temperature compensation
• LED state-of-charge indicators for each bank
• Onboard diagnostic codes for troubleshooting
• Independent outputs prevent cross-charging between banks

The SS4's intelligent charging algorithm automatically adjusts for temperature variations and battery condition, ensuring optimal charge rates while preventing overcharging. The maintenance mode keeps batteries at peak charge during storage without damaging the cells. Designed for permanent onboard installation, this charger provides reliable, unattended charging for serious anglers and boaters who depend on their electrical systems.