How to choose the low frequency inverter

Low frequency inverter is a kind of power product working in high current and high frequency environment, and its potential failure rate is quite high. Therefore, consumers must be careful when buying:
First, select from the low frequency inverter output waveform, preferably not lower than the quasi sine wave;

Secondly, the low frequency inverter should have complete circuit protection function;

Third, manufacturers should have good after-sales service commitments;

Fourth, circuits and products have been tested for a period of time.