Battery Voltage : 24V Max. Charge Current : 6A Charge Voltage Range : 26~29V Charge Current Range : 1.5~3.5A AC Voltage : 95~280VAC AC Frequency : 50 Hz/60Hz Power Consumption : 115W No-Load Power Consumption : Less than 3W Efficiency : More than 85% Working Temperature : -40~60C Storage Temperature : -40~85C