We get a lot of questions from our customers about how the charge the Dynamic Perception 2700 mAh Portable Battery Pack. The Portable Power 2700mAh Lithium Ion Battery Pack provides enough juice to run your Stage Zero Dolly for about 10 hours, while being small/light enough to fit in your pocket! Comes with everything you need to start using it with the Stage Zero or MX2, no additional parts required.