Equivalents:6, 6 IGNS, 6 IGN. S, 6 IGN Screw, 905, 905FC, 906, 906AC, 5365, 7111, BS, EN6, EN6S, Flag, IF6, Ingitor, HO6, HO40, HR40, HS6, IS6, M905S, No.6, Number 6, R40. Description:Zn/Mn battery, R40battery, No.6 battery, high-power battery, environmental battery, Hg ,lead and Cd free, high capacity, high magnification Chemical system..