Spyder PowerShadow iPhone 4 / 4S Battery Case and Dock $39 (Reg. $79)

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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