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eBay is offering the uNu Enerpak Tube 5000mAh USB External Battery Pack for iPhone & iPad at the discounted rate of $29 with free shipping.  This unit retails for $60 and is currently available on Amazon for $50.  Don’t get stuck without juice for your precious tech devices.

With the Enerpak Tube portability and power collide. Able to re-charge almost any smartphone up to 2.5x while still managing to remain light-weight and completely portable

Features:

A Potent Portable – Made to be a perfect travel companion the Enerpak Tube is one of the most potent batteries in the industry. This powerful device can fit inside a pocket or purse and is perfect for on-the-go reliability yet, still boasts the ability to re-charge almost any USB product including tablets and smartphones.


The Power of “uNuversal” – Using a 1A USB port to charge almost any USB device, the Enerpak Tube effectively charges most electronics at significantly superior speeds compared to traditional USB batteries. Therefore, no matter what the device, an alternative power source is always within reach.

Immense Battery Life – Deceivingly powerful, the Enerpak Tube boasts a unparallel 5000mAh carrying capacity which allows it to charge almost any smartphone more than 3 times. Plus it has the capabilities of boosting the battery charge on tablets such as the iPad, while still managing to be able to fit in a pocket.

Technologically Advanced – Designed with over-charge and short-circuit technologies the Enerpak Tube is a safe and reliable source or re-chargable power. Also the Enerpak Tube employs a low-power LED indicator to show when the battery is running low.

Charge Any Devices at Anywhere! – Made to be the perfect travel companion the Enerpak Series Juice Packs are plug-n-play, charges your iPhones, iPods and iPads, and all USB powered devices on-the-go at any location that you need a quick boost.