... electric drills, electric fluorescent lamp, gas lamp, etc;7) Perfect protection functions: low voltage protection, high voltage protection,high temperature protection, short ... Hz(±0.2)Total harmonic distortion(THD)<5%Inverter Efficiency(80% Resistive)>80%Overload Capacity120%,60sInverter protection functionsBattery undervoltage ... 3kW Solar power Inverter with DSP Controller and High Efficiency