Update (10/14 8:00pm): Eachinedirect via Amazon offers its X3 Portable 6,000mAh power bank with built-in USB A and microUSB cable for $9.99 Prime shipped (Reg. $21) after promo code EMG5862E is applied at checkout.
ATC LLC via Amazon offers the Lumsing 21W 4-Port 5V 4.2A USB Wall Charger for $12.99. When you enter the code EWD7OISA the price drops to only $7.99 Prime shipped. That’s $5 off the regular sale price and the lowest we can find. It has a new non-slip handle and 4 USB ports designed to charge multiple devices simultaneously. The 4.2A output typically meets the needs of a variety of devices and it’s small enough to fit in your pocket. This Lumsing received 4.4/5 stars from Amazon shoppers.
As an alternative deal option, you can pick up the same (above) Lumsing 4 Ports USB Wall Charger for $12.99 and get the Apple MFi Certified Lumsing Sync Charging Cable for free when you use the code 4UGUGBDB at checkout. That’s a $7 savings and a great way to score a new Lightning cable. (Sorry the above coupons don’t stack).