pure sine wave 4000w inverter with charger

The inverter is compact, lightweight and easy to operate.

Over voltage, Overload, over temperature, Short circuit, reverse Polarity protection.

When the municipal power grid exceeds the limit, the battery will supply power to the load, and when UPS fails or is overloaded, the bypass power will supply power to the load.

The power inverter can be selected according to the type of electrical appliances used and the power size. 

Introduction of power frequency inverter:

      Low frequency inverter boosted inverter circuit. #4kw inverter    It firstly inverts the DC power into low-voltage AC power with power frequency; then boosts it into 220V, 50Hz AC power through the low frequency transformer for the load to use. Its advantage is that the structure is simple, and various protection functions can be realized at lower voltages. #ac inverter single phase    Because there is a power frequency transformer between the inverter power supply and the load, the inverter runs stably, reliably, with strong overload capacity and shock resistance, and can suppress the high-order harmonic components in the waveform. However, lowr frequency transformers are also bulky and expensive, and their efficiency is relatively low. #solar panel inverter    The rated load efficiency of the small low frequency inverter produced at the current level generally does not exceed 90%. At the same time, the iron loss of the power frequency transformer is basically unchanged when it operates under full load and light load, so it operates under light load. The no-load loss is larger and the efficiency is lower.

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