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Power Cases

Best Buy customers often prefer the following products when searching for Power Cases.

Browse the top-ranked list of Power Cases below along with associated reviews and opinions.

  1. 1.
    mophie - Juice Pack External Battery Case with Wireless Charging for Apple® iPhone® 7 Plus and 8 Plus - Red-Front_Standard

    • Model: 48389BBR
    • SKU: 5707560
    Provide extra power to your iPhone 7+ or 8+ with a flip of the switch on this mophie juicepack air case. Made to give your smartphone added protection along with additional charge, this bright red case makes a statement while it keeps your phone well-covered against damage. Flip the switch of this mophie juicepack air case for 20 hours of web time.
  2. 2.
    mophie - Juice Pack External Battery Case with Wireless Charging for Apple® iPhone® 7 Plus and 8 Plus - Blue-Front_Standard

    • Model: 48390BBR
    • SKU: 5707561
    Slide your phone into this mophie juice pack air, and protect it from damage while getting more power. An inset lightning connector provides additional talk or texting time when you need it. This mophie juice pack air is compatible with iPhone 7+ or 8+, and offers up to 28 additional hours of phone time and 20 hours of video streaming.
  3. 3.
    Apple - iPhone® 7  Smart Battery Case - Black-Front_Standard

    • Model: MN002LL/A
    • SKU: 5622309
    The Smart Battery Case for iPhone 7 gives you extra battery life with the look and protection of an Apple-designed case. Combined with the Smart Battery Case, iPhone 7 provides up to 22 hours of battery life for browsing the web, up to 24 hours of watching HD video, and 26 hours of talk time.¹ The Smart Battery Case also works intelligently with your iPhone to charge simultaneously when you’re plugged in, so both case and iPhone will have more than enough battery life to get you through the day, and then some. The soft elastomer hinge and one-piece design make it easy to put the case on and take it off. You can even connect it to any Lightning accessory, such as the Lightning Dock. And iOS 10 allows you to see the battery status of your iPhone 7, your Smart Battery Case, and even your Apple Watch, all in one place. Available in black and white.
  4. 4.
    Apple - iPhone® 7  Smart Battery Case - White-Front_Standard

    • Model: MN012LL/A
    • SKU: 5622312
    The Smart Battery Case for iPhone 7 gives you extra battery life with the look and protection of an Apple-designed case. Combined with the Smart Battery Case, iPhone 7 provides up to 22 hours of battery life for browsing the web, up to 24 hours of watching HD video, and 26 hours of talk time.¹ The Smart Battery Case also works intelligently with your iPhone to charge simultaneously when you’re plugged in, so both case and iPhone will have more than enough battery life to get you through the day, and then some. The soft elastomer hinge and one-piece design make it easy to put the case on and take it off. You can even connect it to any Lightning accessory, such as the Lightning Dock. And iOS 10 allows you to see the battery status of your iPhone 7, your Smart Battery Case, and even your Apple Watch, all in one place. Available in black and white.
  5. 5.
    mophie - Juice Pack External Battery Case with Wireless Charging for Apple® iPhone® 7 and 8 - Blue-Front_Standard

    • Model: 48385BBR
    • SKU: 5707557
    Get power and protection in one slim case when you snap this mophie juice pack air on your iPhone 7 or 8. The bright blue hue makes your phone easy to spot, and the rubberized edge guards help keep your phone safe in a drop. This mophie juice pack air offers 28 additional hours of charge for calls.
  6. 6.
    mophie - Juice Pack External Battery Case with Wireless Charging for Apple® iPhone® 7 and 8 - Rose Gold-Front_Standard

    • Model: 48383BBR
    • SKU: 5707563
    Encase your iPhone 7 or 8 in this rose gold mophie juice pack air, and give it additional charge and extra protection in a lightweight design. The easy-to-install case fits your phone like a second skin and provides up to 28 hours of additional talk time. This mophie juice pack air features an integrated lightning connector for efficient power.
  7. 7.
    mophie - juice pack External Battery Case for Samsung Galaxy S5 - Red-Front_Standard

    • Model: 2333_JP-SSG5-RED
    • SKU: 7498124
    Extend the battery life of your Samsung Galaxy S5 with this mophie battery case. It protects against impact damage, and it contains a 3000 mAh battery extender for convenience. This mophie case has an LED indicator that tells you when it's time to recharge, and it provides easy access to all ports and buttons.
  8. 8.
    mophie - Juice Pack External Battery Case for Samsung Galaxy S8+ - Black-Front_Standard

    • Model: 48976BBR
    • SKU: 5793123
    Keep your Samsung Galaxy S8+ charged and protected with this mophie juice pack battery case. Its rubberized interior guards against drop impacts, and its 3300 mAh battery adds 60 percent more power to your phone. This mophie juice pack battery case's forward-facing speaker ports maintain the stereo output quality of your device.
  9. 9.
    mophie - Juice Pack External Battery Case for Samsung Galaxy S8 - Black-Front_Standard

    • Model: 48975BBR
    • SKU: 5793120
    Give your Samsung Galaxy S8 protection and backup power with this mophie juice pack battery case. Its 2950 mAh battery extends your phone's power by up to 60 percent, and its rubberized support pads provide reliable impact protection. Recharge this mophie juice pack battery case on a wireless charging base or with your phone charger.
  10. 10.
    OtterBox - Defender Series Case for Apple® iPhone® SE, 5s and 5 - Black-Front_Standard

    • Model: 41171BBR
    • SKU: 1972006
    Guard your Apple iPhone SE, 5s or 5 against dirt and scratches with this OtterBox Defender Series 41171BBR case that features 3-layer protection with polycarbonate and silicone materials for durability. The included holster simplifies transport.
  11. 11.
    mophie - Juice Pack External Battery Case for Samsung Galaxy Note8 - Black-Front_Standard

    • Model: 50236BBR
    • SKU: 6156901
    Use your Samsung Galaxy Note8 longer with this mophie juice pack case. Its 2950 mAh capacity extends the battery life of your phone by up to 60 percent, and its wireless charging capability is compatible with Qi, PMA and mophie charge force systems. This versatile mophie juice pack case also works with your phone's USB-C charger.
  12. 12.
    OtterBox - Defender Case for Apple® iPhone® 6 and 6s - Black-Front_Standard

    • Model: 46034BBR
    • SKU: 4476200
    Give your Apple iPhone 6 or 6s rugged protection with this OtterBox Defender 46034BBR case, which offers speaker support, so your audio comes through crisp and clear. The tough triple-layer design allows easy access to your phone's camera and other features.
  13. 13.
    OtterBox - Defender Series Case for Samsung Galaxy S7 Cell Phones - Pink-Front_Standard

    • Model: 46770BBR
    • SKU: 4911302
    Bring vivid color to your Samsung Galaxy S7 device with this bold pink OtterBox Defender Series phone case. With three layers of protection, this case shields your phone and its screen from damage. Custom-designed cutouts on this pink OtterBox Defender Series phone case provide easy access to your device’s camera, buttons and ports.
  14. 14.
    OtterBox - Defender Series Case for Samsung Galaxy S7 Cell Phones - Black-Front_Standard

    • Model: 46767BBR
    • SKU: 4911503
    Deliver rugged durability to your Samsung Galaxy S7 phone with this black OtterBox Defender Series phone case. A silicone skin and hard polycarbonate shell offer impact resistance for drops, and the thermal-formed screen protector defends against scratches.With its cutouts around the camera and ports, this black OtterBox Defender Series phone case provides effortless functionality for your device.
  15. 15.
    OtterBox - Defender Series Case for Samsung Galaxy S8+ - Aqua mint-Front_Standard

    • Model: 48741BBR
    • SKU: 5773814
    Get extreme protection for your Samsung Galaxy S8 Plus with this OtterBox Defender case. It's tough against wear and tear to prolong the life of your device, and the convenient holster clips onto your belt or doubles as a display stand. Snugly encase your phone while maintaining full port access with this OtterBox Defender case.

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