Mobiistar Mobile Battery for Mobiistar x1 Notch (BW-302B) - 3020 mAh 
Note: - Battery will comes with 0% charge Please first charge the Battery for 3 hours before using Battery.
Comes in loose packing like comes with your phone. Simply charge one while the other is in use and you'll be able to use your Smartphone all day every day
Battery comes with 3-month replacement Warranty.