The "Dolphin Connect" App allows you to follow the performance of your battery charger.The Dolphin Connect App works with all PROLITE charger models and with ALL-in-ONE Generation IV models (from Q1-2020)- Complete, live monitoringThe "Dolphin Connect" dashboard allows you to monitor, in real time, the 10 main performances of your marine battery charger: 1. Charging phase in progress (Float, Absorbtion, Boost) 2. Battery type 3. Maximum authorized power 4. Charging voltage (output) 5. Input voltage 6. Battery voltage #1 7. Battery voltage #2 8. Battery voltage #3 9. Battery temperature 10. Number of charging cycles- MultilingualDolphin Connect is available in 5 languages: French, English, Italian, German and Spanish- Permanent diagnosis (8 alerts)Dolphin Connect keeps your charger and batteries under constant surveillance: 1. Output undervoltage 2. Output overvoltage 3. Excessive internal temperature 4. Battery polarity reversal 5. Input undervoltage 6. Excessive battery temperature 7. Hydrogen alarm (based on chargers specifications) 8. Input overvoltage