Otterbox Defender Blackberry Z10 Case and Holster (Black) and 1800mAh LS1 Lithium-Ion Replacement Battery Set Set of Blackberry Z10 Defender Case, holster, and replacement battery Shock-absorbing and impact-deflecting materials completely cover your device Built-in screen protector that guards against damage to your touch screen Includes belt clip holster Uses lithium-Ion technology to ensure maximum battery life and power. Battery Model: LS1. Capacity: 1800mAh