The Victron-connect App connects your smartphone, tablet or computer via Bluetooth to your battery charger for initial configuration and data upload.Power supply 180-265 VAC. Charging algorithm in 4 stages. BULK - ABSORPTION - FLOAT - STORAGE.Less ageing and maintenance of the battery when not in use, with the STORAGE MODE system.Protection against overloads, short circuit, overheating. Efficiency 92% and above, with very low heat dispersion.