Here is ic 555 inverter circuit. is easy and small size. Because use NE555 and MOSFET as main. When use source is 12V battery will have output of 100 watts.
This is 500W power inverter circuit that modify from 200W inverter. It use SG3526 and mosfet IRFP540 so high efficiency than transistors,full protection
fish easier, it use 12V battery to convert to 220V AC. We use few parts so easy and cheap.
This is inverter 12V to 220V that 100W output using all BC557 PNP and 2N3055 transistors so easy to build and cheaper, we use 12V 10Ah and transformer 5A up.
his is Simple inverter schematic diagram,that use really a few parts PNP power transistors as main and can use for 20 W lamp on 12V battery for 30 mins