Keeping iPhone (News - Alert), Android and other smartphones and Micro-USB electronics charged is now easier than ever, with the Concord Keystone’s Booster 2.0, a versatile 2000 mAh Li-Polymer portable battery pack. 

The portable device can be carried anywhere and mitigates concern over a low battery while at the movies, sporting events or out to dinner.

Conveniences offered by The Booster 2.0 make it a superior grade portable battery charger. The most noteworthy feature of the charger is the built-in retractable micro-USB cable that saves one from the mess created by the cables of a traditional charger. The retractable Micro-USB cable is always neatly tucked in, and attached to the unit which can be pulled out and connected to phone or device for charging. It recoils automatically when disconnected.

According to a press release, With the Micro-USB connector, Booster 2.0 turns a universal charger to Android (News - Alert), most smartphones and other devices with Micro-power input. With its bonus 30-pin adaptor, Booster 2.0 is one-stop charging for all Micro-USB devices, as well as the iPhone and iPod.

The Booster 2.0 comes with a slim and lightweight body, measuring less than a half-inch thick and weighing only 2 1/2-ounces. Its sleek and professional design and blue LED indicator lights indicate when charging is on and also displays the power level in the battery pack. The unit comes with a removable cover used as a horizontal or vertical viewing stand for watching videos while the smartphone charges.

Booster 2.0 is very easily operated by just pulling the retractable Micro-USB cord from the unit after charging finishes.  For instant charging, attach the phone to the Booster 2.0 by removing the cover and placing it on the concealed sticky pad, using the unit attached to the phone as an auxiliary battery.