Anker PowerCore 13000 Power Bank
Anker’s PowerCore 13000 Power Bank can easily slide into a bag or pocket, and perfect for travel, all for $21.24, this week only, originally $35.99. It features PowerIQ Technology, which intelligently identifies any connected device to deliver the optimum, highest possible speed charge to all of them, including Apple as well as Android phones / tablets. Yes, the technology also works on cameras, headphones, and more. Product page. Read more for a hands-on video review and additional information.

Worried about plugging in two devices at once? The power bank boasts surge protection, short circuit prevention, and more advanced safety features keep you and your devices safe. You can start charging right out of the box using the included Micro-USB cable, your original cable or a third-party certified one (such as MFi). More information.