Dynamite Prophet Sport Duo 50W x 2 AC Battery Charger The Prophet Sport Duo charger is ideal for anyone that wants to spend less time charging and more time enjoying their hobby. Perfect for anyone with multiple RC vehicles or models that require dual batteries, the Prophet Duo Sport gets you back doing what you enjoy most. AC powered and featuring a wide range of selectable charge currents to fit your batteries needs, the Prophet Sport Duo is capable of charging surface, air and marine 1-6S Li-Po batteries as well as 4-8C Ni-MH batteries and is backed by a Dynamite 5-year warranty.