Smatree AE18000 Intelligent Battery Base for Echo (Power Your Echo up to 14 hours)，Black<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><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 class="showHiddenFeatureBullets"><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 class="showHiddenFeatureBullets"><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 class="showHiddenFeatureBullets"><span class="a-list-item"> With 5V/2A USB Output，Can Charge Your Cellphone </span></li><li class="showHiddenFeatureBullets"><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/31EmR6oOU3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51OQsbrFgtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51kvztIvwRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51QHA8-DxHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Ha-D0G2VL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61wPZLwVgBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51A5XVqSzHL.jpg" noproxy>