MaximalPower RB VER FNB-47/49 1800mAh Ni-MH Two-Way Radio Battery for Vertex/YAESU VX-10/800 FT10R/40R/50R (Black) 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 New Reusable