Aukey Direct via Amazon offers its 20,000mAh Dual USB External Power Bank for $29.99. Applying coupon code XWLOGID4 drops the final price to $21.99 with free shipping for Prime members or on orders of $35+. That's good for just over 25% off the regular price and the lowest current offering we can find.
This battery pack has a 20,000mAh capacity, which will charge your iPhone up to nine times and an iPad once. It has a dual USB design with 2A and 1A ports. A charging cable and 18-month warranty are included with purchase. Rated 4.3/5 stars by over 400 Amazon customers.
Other Power Deals at Amazon w/ Prime shipping:
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