Searching for the Best iPhone Battery Case: PowerShadow with Dock

 PowerShadow with Dock

The iPhone is great, but it still needs better battery life, and that means there is a lot of demand for battery cases. Even Apple recently released its first battery case. So there are no shortages of battery cases out there and I've tried most. The most recent one I've tried in my search for the best iPhone 6s battery case was the PowerShadow and Dock ($99+$49.99) from Spyder. I'm still holding out for something better. 

The PowerShadow offers decent protection; and while it's not as thin as the marketing material tries to suggest, it's relatively thin. It feels bulky and, as with most such cases, the audio port is obstructed, but Spyder includes an extender. What sets this case apart is Spyder offers a dock, sold separately for about $50, that connects easily; and unlike many other such docks, it allows synchronization of data with your computer.


  • Decent protection
  • Relatively thin
  • Syncs with dock


  • Feels bulky
  • Audio port obstructed

Final Verdict

The bulky PowerShadow battery pack offers a unique advantage, i.e. the ability to sync through the dock, but it costs $150 for the privilege and I'm not sure that it's worth it.

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Author Details

Todd Bernhard's picture

Author Details

Todd Bernhard

Todd Bernhard is a bestselling (6+ million downloads) award-winning (AARP,,, Digital Hollywood, and Verizon) developer and founder of NoTie.NET, an app developer specializing in Talking Ringtone apps including AutoRingtone. And his profile photo is of the last known sighting of Mr. Bernhard wearing a tie, circa 2007!

An iPhone is almost always attached to his hip or in his pocket, but over the years, Mr. Bernhard has owned an Apple Newton, a Motorola Marco, an HP 95LX, a Compaq iPaq, a Palm Treo, and a Nokia e62. In addition to writing for iPhone Life, Mr. Bernhard has written for its sister publications, PocketPC Magazine and The HP Palmtop Paper.