MaximalPower RB MOT HNN9018 1800mAh Mi-MH Two-Way Radio Replacement Battery for Motorola SP-50 (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