The Defy Wireless Battery Pack Products Included: - Digital Battery Pack Unit- - Qty-2 1050mAh battery - - RCA male adapter for the battery - - Battery charger and USB, not wall apapter - Battery - each 1050mAh battery will last for about 3.5 - 4 hours depending on how hard your run your machine. Charging time for each battery is about 2.5 hours.