Updated Version: Come with an AC power supply indicator, easy to find out whether the AC power supply is on or off. Experience infinite versatility and power up smartphones, tablets, and even your 110V home appliances 70W/0.9A (highest) with the built-in 3-prong AC output and compatible with more devices thanks to the updated AC power supply solution. Please check if your device(s) being charged fit within these requirements to ensure compatibility with the portable power outlet. Type-C 5V/3A & USB 5V/2.4A Outputs: Benefit from 1x Type-C 3A output and 2x USB iSmart ports up to 2.4A each to simultaneously charge the latest Macbook and two other devices. (Type-C port only supports output, does NOT support input). To turn ON the AC power you must hold the power button for about 8 seconds. Juggernaut 27000mAh Capacity: Charge your iPhone 6s up to 11 times, a Galaxy S7 up to 6 times, and the 12 “MacBook for over 3 times to minimize waiting time and boost DO time. It is suggested to use the original AC adapter and charging cable when charging your laptop or other electronic devices. Fast Charging 19V/1.6A DC Input: Recharge the power bank faster than ever with the 19V/1.6A DC input and conveniently monitor the battery level via the 8 built-in LED indicators. Built-in Air Vents: Keep the power bank running smoothly with a set of vents thatll cool it down and wont let the dust in turn the power bank on/off by holding the power button for 3 seconds and remember to turn it off to save precious juice when not in use. If you have any question about the usage, please contact RAVPower customer support for more information.