According to the search results, an admin charge at Absa refers to a fee levied by the branch for a confirmation letter. However, there are other types of fees charged by Absa, such as monthly administration fees, cash withdrawal fees, and investment portfolio fees. It is important to note that bank fees and rates can vary depending on the type of account and services used. Therefore, it is recommended to check with Absa directly or use their online tool to calculate the specific fees and rates for your account.