Technology is meant to make our lives easier, but when your device runs out of juice, that's it (til you make it to an outlet, of course). Like a battery case for your smartphone, the Amazon Echo Dot Smart Battery Case can keep your Echo Dot running for ten to 15 hours, even when you're on the move. It also works as a 7500mAh power bank and USB-C charging port, so you can give your other devices a charge, too. An intelligent battery management system and LED lights help you safely keep track of your battery levels, so you know you won't overcharge your gadgets. Usually the Amazon Echo Dot Smart Battery Case is $39.99, but you can get it now for $26.99.
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