The Accu-Chek mobile test cassette features 50 tests in one cassette, so there is no handling or disposing of strips. Improved handling. The guidance tabs can help you to avoid unintentional contact of the skin with the test area. This means easy blood application and improved handling. 50 tests in one cassette. The Accu-Chek mobile test cassette allows you to carry 50 tests on one continuous tape rather than a pot of individual test strips. No more test strips. As the Accu-Chek mobile test cassette incorporates a continuous tape, it removes the inconvenience of having to handle individual test strips.