High-capacity battery, Equipped with a 6500mAh rechargeable battery case, it can extend the battery life of your Samsung Galaxy phone. LED charging indicator, Four LED indicators clearly show the current charging status of the battery case. Convenient design, installation and removal are simple while maintaining full control of all buttons and controls. Protective structure, New structural design, prevents damage to the phone connection during insertion and removal. Slim profile, Ultra-thin and stylish design complements your device without adding unnecessary bulk. Specifications Material ABS TPU Battery type Grade A Li-ion Polymer Input current 5V 1500mA Output current 5V 2000mA Wireless charging input 10W Operating temperature 0-45 Actual battery capacity 6500mAh Rated capacity 10000mAh Storage Shipping Temperature -2050 Charging time Approximately 4 hours LED indicator 4 lights 1 light 1-25, 2 lights 25-50, 3 lights 50-75, 4 lights 75-100