Home / Collections / BATTERY CASES / 4000mAh Qi Compatible Battery Case for Samsung Galaxy S9 (BX440)

4000mAh Qi Compatible Battery Case for Samsung Galaxy S9 (BX440)

Alpatronix
Black
Black
Black
Black
Black
Black
Black
Black
Black
Black
Black
Black
Black
Black
Black
Black
$ 44.95

BUY ON AMAZON
  • Features
  • Specifications
  • FAQ
  • Downloads
  • Slim, lightweight and compact design for portability.
  • 4000mAh built-in battery provides your Samsung Galaxy S9 up to 1.5x the needed charge.
  • Top/bottom slide-in design for better security and easy installation.
  • Qi-enabled, supports universal wireless charging.
  • Power LED Indicator - Will indicate the level of power your battery case is currently charged.
  • Doubles your Galaxy S9 battery power to keep you going throughout the day.
  • Covered buttons for easy access to all ports, switches and buttons.
  • Capacity: 4000mAh Li-Polymer Rechargeable Battery
  • Product Dimensions (L x W x H; inches): 2.87 x 0.66 x 6.2
  • Weight = 4.16 ounces
  • Input (micro USB): DC 5V-1.8A (Max)
  • Input (wireless): DC 5V-1.2A
  • Output Voltage: 5.0±0.25V/1.8A (Max)
  • Protection: Short circuit and Overcharge
  • Compatibility: Samsung Galaxy S9 (5.8-inch)
  • micro USB-C port (can be used for data transfer for Android and PC compatible devices such as Macbooks and laptops)
  • UL Certified Battery
  • FCC, CE and RoHS

    • Q: How long should I hold down the power button to initiate charge?

    A: Press and hold down the power button for 3-5 seconds. To turn off, press and hold for 3-5 seconds again.

    Q: How much power does each LED light indicate?

    A: 1 Light = 25%, 2 Lights: 50%, 3 Lights: 75% and 4 Lights: 100%.

    Q: How long does it take for the battery case to charge to full.

    A: If the battery case is has no power, it will normally take 6 - 8 hours to fully charge. We recommend charging your battery case over night, so you can have a fully charged case the next day.

    Product User Manual: Click Here
    UPC Code: 852147007370