Extralink OPIM-500W modified sine wave inverter
The Extralink OPIM-500W inverter is a device that converts the output voltage of a battery (direct current, DC) to 230 V AC (alternating current) voltage. The 230 V AC is the type of current provided by utilities for standard household appliances, such as TVs, refrigerators, radios, lighting, or charging laptops/mobile phones, etc. 12V - 230V, 500W, MODIFIED SINE OPIM-500W
If you already have a charged battery, connecting an inverter allows you to power household appliances in areas where there is no access to the electrical grid; for example, in a motorhome, caravan, boat, construction site, or other remote locations. Inverters are also ideal for off-grid systems and backup power supply systems in case of unexpected power outages.

This means a modified AC3 output. an approximate sine wave. This solution is cheaper than pure sine wave inverters; however, due to the current output characteristics, it is not recommended for use with induction motors, such as those used in central heating stoves.
modified inverter:
Advantages of the modified inverter:
- Less complex design – fewer potential failure points
- lower price

The presented model can produce 500W continuous power and up to 1000W peak power (the peak reserve capacity is useful when more power is needed to operate the device than for continuous operation).
Additionally, the inverter features a USB port for powering USB-compatible devices (e.g., mobile phones, tablets, etc.).