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
2Pcs 3.7V Li-40B Li-42B Li 40B 42B Li40B Rechargeable Camera Battery for Olympus Li-42B Pentax D-Li63 Fuji NP-45 Nikon EN-EL10 – Photo Camera Store