Welcome to the Community, @bergracing1.

I’m here to provide some insight in assigning a class to products by batch in QuickBooks Online.

The Batch actions feature does not include assigning a class to Products and Services. You'll have to edit the items and add them one at a time. Here’s how:

1. Go to the Gear icon and select Products and Services.
2. Look for the item and click Edit on the Action column.
3. Assign a class by clicking the Class drop-down.
4. Hit Save and close.

You can also manually assign a class to a specific product/service when creating an invoice. Let me show you how:

1. Create an invoice. 
2. Assign a class for your product/service under the Class column.
3. Hit Save and close.

Here are some helpful articles that you can check on to know more about Products and Services:

• Product and Service types.
• Set up categories in Products and Services.
• Create and use a products and services list.

That should get you pointed in the right direction. Please know I’m only a couple of clicks away if you need anything else. Have a great day ahead!