YG Portable power QB2000-S3 is a protective battery case for Samsung GALAXY SIII with integrated design and fully protection. Colorul case and streamlines design collectine made your Samsung GALAXY SIII more stylish, high capacity battery made your Samsung GALAXY SIII more powerful. QB2000-S3 could provide extra power whenever your devices need and wherever you mad be. This is QB2000-S3, your best charging assistant, your best friend.