OtterBox Fast Charge Power Bank - 20,000 mAh

Color: Black
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Don't let your device run out of juice—the 20,000 mAh OtterBox Fast Charge Power Bank fits in your pocket and delivers a quick change so you'll never miss a moment.

  • Features

    • USB-A and fast-charging USB-C ports let you charge multiple devices at the same time
    • USB Power Delivery fast-charging technology offer a quick boost of 18 W power that's delivers 3.6 times faster charging than standard 5 W charging
    • LED power indicator displays charging status and remaining battery life of the power bank
    • Sleek, compact design fits into tight pockets for on-the-go convenience
    • Charging capacities range from a quick boost to replenishing full power for multiple devices
    • Durable design engineered with trusted drop protection
    • Compatible with your favorite standard USB-A and USB-C cables to charge your preferred brand device, including Apple, Google, LG, Samsung and more
    • Includes a 6 in. USB-A to USB-C cable to charge devices or the power bank
    • Backed by the manufacturer's limited lifetime warranty


    View all OtterBox Portable Power Devices
  • Technical Specs

    Best Use


    External Charge


    Battery Included


    Battery Type

    Lithium Ion

    Battery Capacity (Wh)

    74 watt hours

    Battery Storage Capacity (mAh)

    20,000 milliamp hours

    Power Output to Device

    USB-C: 18 W (5 V/3 A, 9 V/2 A, 12 V/1.5 A); USB-A: 18 W (5 V/2.4 A, 9 V/2 A, 12 V/1.5 A)




    6.26 x 3.08 x 0.92 inches


    1 lb. 0.8 oz.

  • Reviews
    53 reviews with an average rating of 4.1 out of 5 stars

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