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

Overview: 
The BX440 is designed by Alpatronix to improve the performance and battery life of your Samsung Galaxy S9. Built for the avid Galaxy phone user and extensive use, the BX440 is excellent for traveling, work and on-the-go protection. Now features Qi wireless charging. *Not compatible for Samsung Galaxy S9 Plus (6.2").

Features: 
Slim, lightweight and compact design for portability. 
Supports universal Qi wireless charging compatible.
4000mAh Built-In Battery will give your Samsung S9 up to 2 more charges when needed.
Power LED Indicator - Will indicate the level of power your battery case is currently charged. 
Qi-enabled, supports universal wireless charging. 
Doubles your iPhone battery power to keep you going throughout the day, essential for traveling, camping, road trips, business trips and other occasions. 
Easy access to all ports, switches and buttons. 

Specifications:
Capacity: 4000mAh Li-Polymer Rechargeable Battery
Product Dimensions (L x W x H; inches): 2.87 x 0.66 x 6.2
Weight (ounces): 4.16
Input (USB-C): DC 5V-1.8A
Input (wireless): DC 5V-1.2A
Output Voltage: 5.0±0.25V/1.8A
Charging Power Level: 1 Light = 25%, 2 Lights = 50%, 3 Lights = 75%, 4 Lights = 100%
Protection: Short circuit and overcharge.
Micro USB-C Port (can be used for data transfer for Android and PC compatible devices such as Macbooks and Laptops to sync music, photos, videos and files).

Package Contents (Retail Packaging): 
1x 4000mAh BX440 Battery Case 
1x User Manual. 
1x Limited Warranty Card.