Maximalpower Replacement 4800mah battery pack for Sony NP-F750 / NP-F770 /NP-F760 / NP-F730 F730H / NP-F960 F970 and More Fully Decoded w 3 year warranty 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