OtterBox Fast Charge Power Bank - 20000 mAh

Color: Black
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Don't let your device run out of juice—the 20000 mAh OtterBox Fast Charge Power Bank fits in your pocket and delivers a quick change so you'll never miss a moment.


  • 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 Power Banks

Technical Specs

Best Use


External Charge


Battery Included


Battery Type

Lithium Ion

Battery Capacity (Wh)

74 watt hours

Battery Storage Capacity (mAh)

20000 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.

84 reviews with an average rating of 4.0 out of 5 stars

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