3.7v Rechargeable Battery Li-40b Li 40b 42b For Olympus Li-42b Lithium Ion Rechargeable Camera Battery Pack 1200mah Battery Cell - Digital Batteries - AliExpress
2 Batteries OEM Olympus LI-42B Li-Ion Rechargeable Battery for Olympus FE 50332299689 | eBay
LI-40/42B XtraPower Lithium Ion Replacement Battery for Olympus