HBV rapid test cassette and strip are available. 
One step HBsAg test is a rapid direct binding test for the visual detection of hepatitis B surface antigen (HBsAg) in serum or whole blood as an aid in the diagnosis of hepatitis B infection.

Features:
1) HBsAg B11-11:
a) Type: strip or cassette
b) Specimen: serum/whole blood
c) Package: 1pc x 50/kit
d) Specification: 3.0mm
e) Sensitivity: 1ng/ml