Stacksocial has the Limefuel LP200X 20,000mAh Dual USB Battery Pack on sale for $34.99 + FREE shipping!

Why this deal is hot:
Save 58% off -- that's $50.01 in savings!

What this does and why you need it:
Charge two items at once with the included USB ports. The digital display tells you how much battery life is left and charge items 4 times or more. This battery works with smartphones, tablets, and more. It features a 20,000mAh Lithium-ioin battery, built-in flashlight, Grade A battery cells, 500+ lifetime use cycles, 2 USB ports and auto-on and auto-off preserves the battery charge.