Battery Voltage : 12V Max. Charge Current : 6A Charge Voltage Range : 13~14.5 V Charge Current Range : 3~7 A AC Voltage : 95~280 VAC AC Frequency : 50 Hz/60Hz Power Consumption : 120W No-Load Power Consumption : Less than 3W Efficiency : More than 80% Working Temperature : -40~60 C Storage Temperature : -40~85 C