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Use Your Phone Hours Longer with a Cell Phone Battery Extender Case

Protect your smart phone with a durable case that reflects you-with the added bonus of extending battery life.

A cell phone battery extender case gives your smart phone extra juice whenever you need it most. These protective cases feature a built-in battery to extend your phone's life. Whether you're talking, texting, playing games, streaming video, or surfing the web, a cell phone battery extender case gives you convenient, reliable power.

No need to carry around extra cords or find an electrical outlet! When your phone's battery runs low, simply switch on the battery extender case to access extra power in an instant-wherever you are.

Our inventory features cases for the most up-to-the-minute cell phones-many at clearance prices. We update our selection monthly and sell many styles and colors.

When you buy a cell phone battery case from us, you save money and simplify shopping! All orders on our site come with:

  • Free shipping
  • A manufacturer's warranty
  • A 30-day money back guarantee

We include these features so you're confident shopping with us.

Battery life extender cases come with features common on basic phone cases: screen protectors, flip screen covers, or ultra-slim designs. For added convenience, you can charge your phone without needing to remove the case each time.

These cases fit the most popular cell phone models, including iPhone, Galaxy, and HTC One. Choose your phone's model from the categories listed to the right and start shopping for your battery extender case.