300W Inverter 12V DC to 220V AC 50Hz Corrected Square Wave
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Prices updated: 13 Oct 2026
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About this product
A 300W inverter that converts 12V DC input into 220V AC output at 50Hz, using a corrected (modified) square wave. It is intended for running small mains-powered appliances from a 12V battery, such as lights, chargers and small tools, in off-grid or backup setups. The waveform is not a pure sine wave, so some sensitive or motor-driven equipment may not run well.
Specifications
- Input voltage
- 12V DC
- Output voltage
- 220V AC
- Output power
- 300W
- Frequency
- 50Hz
- Waveform
- Corrected square wave
Frequently asked questions
Can it power any 220V appliance?
Not always. The modified waveform suits many simple loads, but sensitive electronics, some motors and certain chargers may not perform well. Check the appliance's manual before connecting it.
What battery and cabling do I need on the 12V side?
Use a 12V battery with enough capacity for the load, and keep the total draw within the 300W rating. Inverters draw high current from 12V, so use input cables and fuses sized for that current.
