Today, Amazon has a great deal on the X5 Mobile, external battery pack. It's a 10,400mAh battery pack, which does have dual-USB ports so you can charge two devices at once. It should be able to charge your device at least twice, but then again that all depends on the size of battery in your smartphone or tablet.
This battery pack is slime, sleek, compact, portable and has a stylish design as well. It does come with a USB wall charger, along with a convenient 2-in-1 USB adapter. It's a Grade A Cell Used to ensure you the highest quality and reliability. It does also have LED indicators to show you the charge level of the battery pack. For those interested in the output, it's DC 5V/1A/2.1A, and input is DC 5V/2A 2USB V8 adapter is also included.
Amazon is offering this one black and white, as well as a slightly smaller battery pack in black and white. They are offering it with free shipping, if you are an Amazon Prime customer. Once more, if you order before 7pm EST tonight, you'll be able to get one-day shipping and have it in your hands tomorrow. Amazon is stating that it'll work with the LG Optimus Black, Google Nexus 4, Samsung Galaxy S3, and a few other devices. It will actually work with any phone or tablet. So you don't need to really worry about compatibility.
X5 mobile 10400mAh External Battery Pack High Capacity Power Bank Daul Port Charger With Dual Wall Charger for iPhone 5, 4S, 4, iPad Mini, iPods; Samsung Galaxy S4, S3, S2, Note 2; HTC One, EVO, Thunderbolt, Incredible, Droid DNA; Motorola ATRIX, Droid; Google Nexus 4 ; LG Optimus (Black)
X5 Mobile 10400mah External Battery Pack High Capacity Power Bank Daul Port Charger with Dual Wall Charger for Iphone 5, 4s, 4, Ipad Mini, Ipods; Samsung Galaxy S4, S3, S2, Note 2; HTC One, Evo, Thunderbolt, Incredible, Droid Dna; Motorola Atrix, Droid; Google Nexus 4 ; Lg Optimus (White)