Snag a 10,000mAh OnePlus power bank for $13.30 and save 30%

Besides the smartphone itself, perhaps the most important invention for power users is the accessory that allows them to roam far from outlets. This is the creation that stops businessmen and teens alike from being slaves to the battery icon on their handset's status bar. If you guessed that we're talking about a 100-foot power cord, BUZZ!; you're wrong and thanks for playing. Actually, we are discussing the power bank.

We fondly remember the days when the mophie Juice Pack offered iPhone users protection and extra battery life. Inside the case was a battery that in the early days would ...