As one of its daily deals, Tanga offers the URGE Basics 2,100mAh Rechargeable External Battery Case for Apple iPhone 5 in Black (pictured) or White for $23.99 plus $4.99 for shipping. That's the lowest total price we've seen for such an iPhone 5 battery case by a buck. (It's also a price low for this model by $19.) It features an LED power indicator, micro USB charging port, and more. Deal ends February 7 at 10 am ET.