This is an 8xAA Battery Holder that extends the works with the BrickPi and GoPiGo (please note: a power battery pack already comes in the GoPiGo Base Kit). The battery pack gives you long-lasting 9V power. This package uses 8 AA batteries, which are not included. Cable not included (the for each robot comes with the Base Kit or Starter Kit for that robot).
Note: You can extend your battery life by running the Raspberry Pi and BrickPi or GoPiGo off of the wall with a power supply while programming.