【Plenty of Capacity】With 15000mAh power capacity, an iPhone 11 can be charged to its full power 3.4 times, or a high capacity smartphone such as Samsung Galaxy S20 can be charged to its full power about 2.6 times. You can also plug in two smartphones for simultaneously juicing up. 【Easy to Use】These power banks are smart enough to start/stop charging when a phone is connected/disconnected. With four LEDs denoting its remaining capacity, each indicates 0-25% capacity. You can check the power capacity by simply tapping the button. 【Portable Insurance Package】Despite the huge capacity, these portable phone chargers still provide a great portable experience. Rectangular but slim, at 6 x 2.9 x 0.73 in, and it weighs just 11.6 oz making it a favorite for travel. You could benefit from these power banks on every road trip. 【Safety Guaranteed】Built in high quality Li-ion battery helps to charge your phone safely and prevent over-voltage, over-charging, over-current, or short circuit, etc. Won’t get too hot or cause a lot of heat on the battery of your phone. These battery packs are also airline-approved so you can travel anywhere with them. 【What You Get】2 * 15000mAh Portable Charger; 1 * Micro USB Cable; 1 * USB-C Cable; 1 * User Manual. We provide 24 * 7 friendly customer support and also back our products for 18 months. Please feel free to contact us.