-Nominal AC Voltage : AC (100-277)V -Max. AC Voltage : AC (90-305)V -AC Frequency : 50Hz/60Hz -Max. On-load Current : 340W -Max. Current : 4A -Efficiency : AC 110V, >86% AC 220V, >88% -Power Factor Calibration : AC 110V, >0.99 AC 220V, >0.95 Output Characteristics -No-load Output Voltage : 27.6V, (Error1%) -Rated Charging Current : 10A, (Error2%) -Max. Output Power : 290W Working Condition -Working Temperature : (-30~+55)C -Storage Temperature : (-40~+85)C -Working Humidity : 20%RH~93%RH (No condensation) Dimensi 20,5 x 13 x 5,5 cm