The Qoltec power supply with the product ID 51775 is not compatible with the Lenovo V15 G4 IRU Type 83A1.

Here are the reasons:
- The Qoltec power supply has an output voltage of 19V DC and a current of 2.1A, which is typically intended for monitors and not for notebooks like the Lenovo V15 G4 IRU.
- The plug of the Qoltec power supply is an angled plug with the dimensions 6.5 x 4.4 mm, which does not correspond to the standard plug for Lenovo notebooks.

For the Lenovo V15 G4 IRU, you should use a power supply that is specially designed for Lenovo notebooks and has the correct specifications (e.g. 65W or 90W) and the appropriate plug (e.g. USB-C or Slim Tip). It is advisable to use the original Lenovo power supply or a compatible power supply from Lenovo to ensure that it works correctly and does not cause any damage to the device.

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