Smatree AE9000 Portable Battery Base for Echo with 9000mAH battery capacity enables you take your echo anywhereLarge Battery Capacity: 9000mAh/33.3Wh battery enables work about 4-8 hours(Working time depends on your device’s working volume and status)
Super Easy Installation. The base connects by using a DC charging connector instead of cable which avoids the trouble to wind cable
Intelligent Battery Charging Technology: supports to connect with AC power adapter for long time and without worry it will damage the battery. AE9000 has built-in smart IC to make it distinguish its working state automatically and determine the time to start charging the battery.
With 5V/2A USB Output,Can Charge Your Cellphone
Two Optional Charging methods: Can be Charged via Echo’s Original AC Adapter or 5V USB Adapter (Output 5V/2A or above)