$29.99 for a Vantec Power Gem 3500 power bank ($39.99 list price). Choose from four colors:
####Vantec Power Gem 3500 Power Bank These rechargeable power banks have two 5-volt USB outputs that breathe life into any electronic device with USB-charging capabilities. With the included USB charging cable, the power bank hooks up to Apple devices as well as MP3 and MP4 players, GPS units, Bluetooth devices, portable gaming systems, and more. The device features a slim design that takes up minimal space in briefcases, purses, or superhero utility belts, so you can bring it along for backup power. When fully charged, the power bank can fuel up to 18 hours of telephone talk time, 21 hours of Internet-access time, and 85 hours of digital music.
#####Features * Quickly recharges USB-powered devices with an invigorating pep talk * Blue LED power indicator * Scratch-resistant UV coating * Capacity: 3500mAh/13Whs * Maximum output: 2A * One-year warranty from Vantec * [Click here to view technical specifications.](http://gr.pn/13gho7Z)
In the Box: Power Gem 3500, USB charging cable (type A to micro B), carrying pouch, user's manual
How to get your goods: by purchasing this Groupon and providing your name and shipping address, your order is complete!
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The Fine Print
Limit 3 per person, may buy 2 more as gifts. Free returns. Free shipping. Does not ship to AK/HI/Canada/Puerto Rico. Most orders are delivered within 2 1/2 weeks of the purchase date. Does not ship to PO boxes. See return policy. Must pay applicable tax and provide name and shipping address at checkout, which will be shared to facilitate shipping. 1yr warranty from Vantec. Goods sold by Groupon Goods.