This Aduro USB Travel Charger and 1000 mAh Battery Pack, listed at $40, is now $9.99 at Tanga. Use our code BRADSDEALS and it drops to $8.99. Plus, shipping is free, making this the best price we could find on anything similar by at least $11. The battery pack plugs directly into wall outlets for fast recharging. Then use one of the multiple connection tips to charge your phone while on the go. It works with most Android, Blackberry, Windows, and other phones. Note: although labeled with Sprint branding, it will work with most phones from any carrier. Sales tax is not charged in most states.