This extended battery is powered by premium quality cells to guarantee the highest levels of protection and performance while offering you over 2X more capacity of your original battery. Features: Comes with an extended battery door cover designed to match the phone"s original color and finish Will last over 2x longer between charging cycles than the original 2800mAh Samsung battery NFC ready High performance Long lifetime One year warranty Specs: Compatible: Samsung Galaxy S5 Active (Will NOT fit standard Galaxy S5) Manufacturer"s Part #: HLI-G870AXL Battery type: Lithium Ion Battery capacity: 5900mAh Weight: 3.9 oz (110 grams)