First deal so please be kind! :)
Seems to be an Amazon US Deal of the day? (9 hours left at time of posting).
Cant seem to find it cheaper locally and Anker are always reliable products i have found.
Regular (Slow charging) also available for $14.99 US (+ any delivery costs) (https://www.amazon.com/gp/aw/d/B0756Z8X82/)
(Note that i am being told it is FAST for certain phones only. Do your research on your model if you feel its necessary or buy the regular model listed above)