10pcs Battery for OLYMPUS: OM-2, OM-2N, OM-4. OM 4T, OM10, OMPC | eBay
PU leather camera case bag cover pouch for Olympus OM D OMD EM10 II E M10 MarkII (14 42mm Lens) With Battery Bottom Opening|Camera/Video Bags| - AliExpress
Olympus OM-2 Battery - Manual Page 7
Olympus OM-2n: Wie sie das Kamerabusiness revolutionierte