1600 mAh battery pack controller charging pack for xbox one. 2Made of high quality materials, durable. 3Rechargeable batteries can back up for xbox one controllers during games. 4The product is ergonomically designed to be compact and lightweight. 5Powerful performance, stable output and high reliability. Features: 1. 600 mAh battery pack controller charging pack for xbox one. 2. Made of high quality materials, durable. 3. Rechargeable batteries can back up for xbox one controllers during games. 4. The product is ergonomically designed to be compact and lightweight. 5. Powerful performance, stable output and high reliability. Specification: Material: ABS Applicable products: for xbox one Scope of application: battery Size: approx. 8.8 * 8.8 * 2.3cm / 3.46 * 3.46 * 0.91inch Package list: 1 * Battery 1 * Charging Dock