Polaroid Universal Power Pack External Battery/Stand Compatible with Galaxy S3/S4/S5, Android Smartphones - Retail Packaging - Green Compatible With Most Smartphones Including: Android Smartphones, Galaxy S3/S4/S5, Nexus 4/5 Opens as a Stand, Best For Traveling, Charge Your Smartphone Anytime & Anywhere IC Protector To Avoid Overcharging, Over-Discharging & Short Circuit Charge Your Device & Power Pack From Any USB Port, Includes Sync & Charge Cable (Micro USB) Intelligent Power Management To Maintain Efficiency, Long-Lasting Battery Life In A Compact, Portable Size