... AC power adapter 1),Abundance of surplus capacity 2),100% full-load burn-in test 3),Abundance of surplus capacity AC power adapterFeatures ... of Output:Single O/POutput Voltage:24VOutput Current:2500MAHigh efficency:>=80%Ripple&Noise:<1%Standby power<0.3W(at 240VAC) ... +75°CProtection:Short,Over Voltage,Over CurrentMTBF:50,000HoursSafety:UL/CUL,FCC,CE High efficiency laptop AC/DC power adapter for lenove