RAVPower's 12000mAh smartphone portable battery charger is only $14 right now

[Windows Central]

Feel the power.
This RAVPower 12000mAh power bank is down to $13.79 with code 40PB061S3 on Amazon. The price is one of the lowest we've ever seen and matches a deal that died rather quickly a couple days ago. Without the code, it sells for around $23 so you're saving a nice chunk off that.

Full story from the WindowsCentral blog...