Update: Tanga has the Enercell Dual USB Charger Bundle for only $4.99 + $1.99 shipping (Reg. $40)
Update: Amazon also has the Lepow Moonstone Series 3000mAh Lithium Portable battery pack in green for $9.99 using code 2JDA3K2Y (orig. $40)
Amazon has the Mpow Dual-Port USB Wall Charger/Portable Travel Charger for $11.99. The coupon code 36AUSBCH drops it down to only $8.99 shipped with Prime (free trial). That’s $14 off the regular price and the lowest we could find.
It features two specialized ports (2.4A and 1.2A) to simultaneously charge your devices (18W/3.6A of total output) at full speed. It’s portable, compact and light (2.1oz), great for use on the go or traveling. You can even fold and hide the metal pieces, making it more portable.
Amazon customers gave it a near perfect 4.8/5 stars and left great reviews.