• Input voltage: 220 - 260 VAC ~ 50Hz • Output voltage: 6V / 12V (automatic switching) • Charging voltage: 6V (7.2V ± 0.2V) / 12V (14.4V ± 0.25V) • Storage temperature range: -10 ° C to 40 ° C • Security class: 2 • The maximum capacity of the 6V battery: 1.2Ah - 12Ah • Maximum capacity of the 12V battery: 1.2Ah - 84Ah • Rated power: 20W • Rated current: 1.2A • Housing protection class: IP 65 • Dimensions: 9.5 x 5.8 x 3.3 (cm)