Poweradd&trade; 2 x 2600mAh Li-ion Replacement Battery With Travel Wall Charger for Samsung Galaxy S4,i9500,T-Mobile M919,GT-I9505, SGH-I337(AT&T),Verizon I545,SPH-L720(Sprint) (Not With NFC) Rechargeable li-ion battery,Voltage:3.8V/capacity:2600mah Replacement battery comes with more power for your phone,with no memory effect and environment friendly Grade A cell with built-in IC chip provide long-lasting power,more standby time and talking time and lengthens your battery life High quality provide full-speed and efficient charging,worry-free use and make the most of your day Package included:2xPoweradd cell phone battery ,1xWall charger,1xUser manual