Maximalpower DB SON BK1 Rechargeable Li-Ion Battery for Sony BK1 fit Sony S780 and S750 Digital Cameras 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 Sony Battery BK1 Digital Camera battery Sony BK1 1000mA 3Yr warranty Cells Made in Japan