Maximal Power FC600 CAN NB-3L and DB CAN NB3L Camera Battery and Charger Combo for Canon NB3L NB-3L PowerShot SD20 SD500 SD550 (Black Silver) 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 Fully decoded Battery and charger same as oem 3 year warranty for battery 1 year warranty for Charger Sold and Shipped by Amazon only! Do not buy from other 3rd party seller