ProNautic employs the Generation 3 ProMar Digital Performance Charging Platform, which combines all digital control and software-based power conversion technology with global energy management features. ProNautic addresses the trend of incorporating and using more 12-volt electronics onboard power, sail, cruising, and sport fishing boats. Boasting 12 digitally-controlled performance charging profiles with fingertip selection, ProNautic fully charges, conditions, maintains, and reconditions batteries while extending battery life and maximizing battery reserve power performance.• ProMar Digital Charging Performance - 12 Selectable Profiles• Power Factor Correction - Global AC Input• Distributed On-Demand Technology• Digital Self-Calculating Absorption and Battery Health Re-Conditioning Mode• Conservation Energy Saver Mode• Service and Fault Mode LED Indicators• Automatic Fan Speed Control• Automatic Temperature Compensation and Built-In Safety 12 digitally-controlled charging profiles Energy Saver mode adjusts to maintain full charge Built-in safety modes control temperature | Promariner ProNautic 12V 20-Amp Battery Charger