The voltage of the 27,000mAh Portable Power Outlet (PPO) is 3.6V. The watt hours of the 27,000mAh Portable Power Outlet (PPO) is 97.2wh. (27,000mAh x 3.6v/1000 = 97.2wh) The maximum watt power draw of the 27,000mAh Portable Power Outlet (PPO) is a recommended 85W. Most laptops *UP TO 95W*. A maximum draw of 85W is recommended. Please check if your device(s) being charged fit within these requirements to ensure compatibility.