... /240VACWave Distortion≤4%Output Frequency50/60 Hz±0.05HzDynamic Response5%Overload Capacity120% 1min,150% 10sInverter EfficiencyMaximum90%Noise(1m)≤40dBInsulating Strength1500VAC,1minProtection ... protection, Battery under voltage protection,Battery reverse connection protection, Output overload protection,Output short circuit protection, Overheating protection.Working Ambient Temperature ...