Product Description: 1 Piece - OEM Original Samsung Battery for the Samsung Galaxy S4. Reliable battery power for your Galaxy S4 The Galaxy S4 Battery (2600 mAh) is a high-quality Lithium-Ion battery that has been designed specifically to deliver the most reliable and long-lasting power for your Samsung Galaxy S3. Additional power when you need it. Our Lithium-Ion Battery, exclusively for Samsung Smartphones, offers longer battery life, is reliable and safe, having gone through an exhausting testing and certification process. For long travels or extended use, have the peace of mind of an extra Samsung battery on hand when you need it.