The VIRTUE N-Charge is an easy to install rechargeable battery pack providing better performance over traditional AA batteries in a lightweight package. Never buy batteries again thanks to the easy USB charging port. Recharge on the fly using your phone charger, laptop, or external battery pack. Never wonder again if your AA batteries have enough juice to get you through the next game. With the N-Charge, simply press the built-in battery indicator button and get an immediate report on how much power you have left.
Fits all Rotor and Spire loaders.