• Input voltage: 220 - 240 VAC ~ 50/60 Hz • Output voltage: 12V / 24V (automatic switching) • Efficiency:> 85% • Charging voltage: 14.3 V DC or 28.6 V DC • Charging current for 12V: 2A / 5A / 10A • Charging current for 24V: 2A / 5A • Permissible ambient temperature: -10 ° C to 40 ° C • Maximum capacity of a 12V battery: 300Ah • Maximum battery capacity 24V: 150Ah • Security class: 2 • Rated power: 120W • Generated noise: <50db (tested from 50cm distance) • Housing protection class: IP 65