Insten EN-EL10 Lithium-ion Battery Replacement Compatible with Nikon Coolpix S600, S520 & S210 Designed for select Nikon Coolpix "S" series digital cameras rated at 3.7V, 1200mAh 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. Latest Lithium Ion battery technology gives the best performance possible compared to other battery technologies such as Nickel Metal Hydride (Ni-MH).