Proper Product Variation Setup

I have products with different models and they have different attributes.
for example

Model 1 = 120Watt + 2 groups + 15lt + Weight: 50kg, dimensions yy x yy x yy, price, sku, image

Model 2 = 140Watt + 3 groups + 20lt + Weight: 100kg, dimensions yy x yy x yy, price, sku, image

I am trying to enter them as variable products in Woocommerce.

Then I would like to be able to choose the model or maybe one of the other attributes and all other information change accordingly.

Currently weight, dimensions, price, sku and image change normally. But my other custom attributes don’t.

I have entered them in the system like “global attributes”. I have latest version of woocommerce and storefront.

When model is “Used for Variations” and other custom attributes are only “Visible on the product page” we would like those attributes to also change as it happens with default attributes (price, image, weight, dimensions etc).

But they don’t. The only valid solution I can find is to not add those as attributes but instead add them to the description field of the Variation product and have them change there, but I would like to ask and make sure, that there is no better way to achieve this, maybe with the use of a plugin or something else before I enter 500 products in my DB.

Please let me know if this is not clear.

Thanks in advance!