Everyone wants longer battery life, and external battery packs are a great way to ensure that you're not left with a dying smartphone or a tablet. Samsung's 11,300mAh battery pack can charge the Galaxy S7 edge for around 2.3 times. You can grab this power bank for just $29.99 from Amazon, which is a discount of 57% over its regular price.
The 11,300mAh battery pack from Samsung comes with an integrated retractable microUSB cable and a regular USB port so that you can charge two devices at once. It also features multiple LEDs to indicate the portable charger's battery level. The battery pack has received 79% five-star ratings on Amazon. Grab this deal before stock runs out.