New Version With Super-Cells (BLACK BASE). This is the longest lasting battery solution for the Amazon Echo. The MegaBoot™ battery will allow you use your Amazon Echo anywhere* with up to 18 hours of battery life. It's intended for people that like to move their Amazon Echo -- maybe take it to a friend's house, to the beach, a park. You name it. Bring it to work, workout sessions. It will give you up to 18 hours of freedom from your power cord. It will charge using the supplied power/adapter. Your package will consist of 2 items. The MegaBoot™ battery and the power adapter. Charging time will take from 2 1/2 to 3 hours. Your Echo can be used while it charges. Once it is completely charged, the battery will not drain when your Amazon Echo is plugged in, it uses an intelligent battery management protection system. The MegaBoot™ fits snug to the bottom of your Amazon Echo, once it is clipped on, you won't notice it is there. *Amazon Echo works using a wi-fi connection or Bluetooth where available. Refer to your Amazon Echo's instructions for help. | Echo not Included If you need extra Power/Charger https://www.amazon.com/dp/B01JH61J4S

• Please make SURE to SELECT the right COLOR | BLACK | NAC TESTED | New Version with Super-Cells. The most Powerful battery for Amazon Echo| Up to 18 hours of battery life with your favorite music playing | Smart fast charging around 3 1/2 hours | Only High Quality Cells (Not Chinese cells)
• Provides 3 times the battery life of competitors | Designed and fulfilled by a US company | Echo not Included
• BatteryBootTM fits snug to bottom of Echo for easy handling |
• Clean design to perfectly match your Echo (BLACK BASE) | Once attached you won't notice it
• Pat. Pend. #62271525 (c) 2015 | BatteryBoot TM | MegaBoot TM

Please make SURE to SELECT the right COLOR | BLACK | NAC TESTED | New Version with Super-Cells. The most Powerful battery for Amazon Echo| Up to 18 hours of battery life with your favorite music playing | Smart fast charging around 3 1/2 hours | Only High Quality Cells (Not Chinese cells)Koozie LLC