Power brick for powering Pods. One power brick can power up to 10 typical Pods. 
Pods can be daisy-chained using a Barrel Cable or Long Barrel Cable

15V/3A (45W) / 2.1mm Barrel Plug (5.5mm outer diameter) / Positive Center

You also may use your own power brick if it meets the following requirements:

• 15V to 20V DC
• Positive center 2.1mm barrel plug
• Minimum 20W output power
• Low-noise output