Smatree AE18000 Intelligent Battery Base for Echo (Power Your Echo up to 14 hours) (white)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Super Easy Installation. The base connects by using a DC charging connector instead of cable which avoids the trouble to wind cable </span></li><li><span class="a-list-item"> Large Battery Capacity: 18000mAh/66.6Wh battery enables works about 8-14 hours (The time depends on your device's volume status)anywhere without AC power source. </span></li><li><span class="a-list-item"> Intelligent Battery Charging Technology: supports to connect with AC power adapter for long time and without worry it will damage the battery. AE18000 has built-in smart IC to make it distinguish its working state automatically and determine the time to start charging the battery. </span></li><li><span class="a-list-item"> With 5V/2A USB Output，Can Charge Your Cellphone </span></li><li><span class="a-list-item"> Two Optional Charging methods: Can be Charged via Echo's Original AC Adapter or 5V USB Adapter (Output 5V/2A or above) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41AfgaGM-sL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Q66LDjEQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41fqHTFaIBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51bMowGQB0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51toorVKQsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61kNU0aVQmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51mM77RS9jL.jpg" noproxy>