iWalk Supreme 10400 Duo | White Backup Battery for Smartphones/Tablets


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Details & Highlights

Product Highlights

    Charge two mobile devices at once with the Dual USB port 10,400mAh portable battery from iWalk. The Supreme 10400 Duo white is small enough to pack anywhere, and provides additional power when you critically need your smartphone and tablet the most.

Details from iWalk

    Rechargeable, Compact Universal Backup Battery

    Running out of power with a smartphone or tablet can hamper both your business and social life during a critical moment. The Supreme 10400 Duo compact backup battery is small enough to pack with your brief case or even slip into your pants pocket. Three LEDs track the charge on the Supreme Duo conveniently displaying the current remaining power.

    10,400mAh Lithium–Ion battery

    An impressive 10,400mAh Lithium–ion battery can easily power your smartphone and tablet simultaneously with Dual USB ports. Simply connect your current charging cable to the Supreme 10400 Duo to top off your device.

    2.1A Rapid Charging Port

    Fast charge your tablet with the 2.1 Amp rapid charging port. Don't worry about leaving your tablet or smartphone connected to Supreme 10400 Duo as smart circuit protection keeps your devices from overcharging.

    Dust–Proof DC Port Cover

    The DC In/Out port is protected from dust with a cover to prevent unwanted interference with future charging.


Features & Specs

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Manufacturer's Warranty
    1 Year Limited Warranty
Detailed Specifications
  • Product Name: Supreme 10400 Duo
  • Capacity: 10,400mAh (3.7V lithium–ion battery)
  • DC–IN: 5V/1.0~2.1A
  • DC–OUT: 5V/2.1A,5V/1.0A
  • Size: (L)170 × (W)43 × (H)24mm
  • Weight: 255g

  • In the box
  • UBS10400d
  • microUSB Charging Cable
Product Bullets


Included Coverage from iWalk: 1 Year Limited Warranty

Category ID: 216 | $34.99