Replacement Olympus Li-40B, Li-42B, Nikon EN-EL10, and Fujifilm NP-45 Battery
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
Jupio Li-40B/Li-42B Rechargeable Li-Ion Battery for Olympus | Digital Camera Warehouse
Amazon.com : LI-40B Lithium-Ion Battery -Rechargeable Ultra High Capacity (800 mAh) - Replacement for Olympus LI-40B and LI-42B Battery : Digital Camera Batteries : Electronics