Maximal Power FC600 CAN NB-4L Rapid Travel Charger for Canon Battery (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 Canon NB-4L Rapid Travel Charger for Canon Battery