Macally iPhone 6s / 6 Battery Case MFi Apple Certified 3000mAh Slim Portable Charger Case (POWERCASE3000) Built-in Apple Lightning connector and LED battery level indicator Extra 3000mAh high capacity li-polymer battery power for when on the road or traveling Features Smart charging auto shut off function when iPhone 6 is fully charged to save the battery power Rubberized finish with smooth anti-fingerprint matte coating for easy and comfortable grip Features Smart charging auto shut off function when iPhone 6 is fully charged to save the battery power