February 2020, Amazon made a change to its FBA fee structure. FBA fees on clothing and items sold with lithium batteries were affected. Consequently, Helium 10 added a new option to its Profitability Calculator so that its members can adjust the fees when they are researching products using the Chrome Extension.
Inside the Profitability Calculator, next to FBA fee, a check box now appears.
When you click on the box, the calculator changes the fee to match Amazon's new fee for clothing (or items with lithium batteries).
The fee changes as shown on Amazon: