50% OF PEOPLE OVERPAY FOR THEIR CELL PHONE BILLAre you one of them?Learn more ›
mophie - powerstation 4000 - Black
Energize your USB device for extended use with this mophie powerstation 4000 38113BBR external battery that features switchable 500 mAh, 1-amp, and 2.1-amp charging for flexible battery replenishment.
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

Cardholder Offers

Complete Your Purchase

mophie - powerstation 4000 - Black - Angle
Item you are currently viewing
See details
On Sale: $16.99
See details
On Sale: $16.99
Price for both items


What's Included

  • Owner's manual
  • USB charging cable
  • mophie powerstation 4000

Product Features

Compatible with most USB devices

Including Apple® iPod®, iPad®, iPad 2 and iPhone®, Kindle, most tablets and most HTC, BlackBerry, LG, Motorola, Samsung, Palm, Pantech, T-Mobile and Sony mobile phones for wide-ranging use.

Rechargeable high-output 4000 mAh battery

Extends your device's run time on the go.

Switchable 500 mAh, 1-amp, and 2.1-amp charging capability

Enables rapid battery replenishment via the included USB charging cable.

4-LED charge status indicator

Keeps you apprised of the battery's condition at a glance.

Sleek, black soft-touch finish

With a stainless-steel outer band provides a stylish look.

Apple, the Apple logo and iTunes are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. iPod is a trademark of Apple Computer, Inc.

iPad is a trademark of Apple Inc., registered in the U.S. and other countries

Overall Customer Rating

4.3 (1121 Reviews)
Product images, including color, may differ from actual product appearance.