Li-42B Battery for Olympus Stylus 790 795 850 1050 SW Never run out of battery power when you're just about to capture the perfect moment! Time to get extra power for your digital video camera/camcorder. High capacity, rechargeable DC 3.7V Li-Ion battery with premium cell. Latest Lithium Ion battery technology gives the best performance possible compared to other battery technologies such as Nickel Metal Hydride (Ni-MH). Best replacement for the original Nikon EN-EL10 / Olympus Li-40B / Li-42B / Pentax D-Li63 / Fuji NP-45 / NP-45A / Kodak KLIC-7006 battery pack.