As one of it’s Deals of the Day, Best Buy is offering the Spyder PowerShadow iPhone 4 / 4S Battery Case and Dock for $39 with free shipping.  That is a savings of 50% off the retail price of $79.  This is a dock and a separate battery case for your iPhone.

  • Designed for use with Apple iPhone 4 (all carriers) and 4S To protect your phone.
  • Polycarbonate plastic material Resists impacts to ensure durability.
  • Lithium-ion battery With a 2000-mAh capacity delivers up to 8 continuous hours of talk time, 11 continuous hours of video and 44 continuous hours of music for extended use.
  • Charge/sync dock Lets you easily recharge your device without removing it from the case.
  • Battery level indicator Notifies you of the battery’s status.
  • Play-through design Allows you to access your device’s buttons and ports through the case.



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