Our smartphones are the ultimate multi-tool—a GPS, camera, communication device, TV, computer, and internet connection all in one—so having them charged all the time is key. If you're sick of running out of battery power and burning through shoddy mobile batteries, pick up an Avanca Powerbank 9000. This Platinum Tech Award Winner contains a Samsung battery in its compact, lightweight frame. It can charge three devices at a time—and you always know when to recharge this power bank, thanks to the LED screen that displays the exact percentage of remaining battery power. The Avanca Powerbank 9000 normally costs about $70 but Daily Beast readers can grab one on sale in the shop today for just $39.99—42% off the retail price.

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