Maximalpower DB OLY LI40B/42B Rechargeable Li-Ion Battery for Olympus Li-40B,Li-42B, Kodak KLIC7006,FUJI NP45, Nikon EN-EL10,Pentax D-Li63 Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty Rechargeable Replacement battery for Olympus Li-40B, Li-42B and also compatible with Kodak KLIC-7006, FUJI NP-45, Nikon EN-EL10, Pentax D-Li63 Chemistry: Li-ion, Output Volts: 3.7V, Capacity: 1000mAh Premium cells made in Japan No memory effect and friendly to environment 3 years limited warranty