RAVPower PD Pioneer 20000mAh 70W 4-Port Power Bank 70W Two-Way Fast Charging: The powerful 70W USB-C output port speedily charges your MacBook Air from 0 to 50% in just 30 minutes. With its 70W USB-C input, the power bank recharges itself from 0 to 100% in just 3 hours. 20,000mAh Capacity: Boasting ultra-high capacity, the power bank provides 4.5 charges for the iPhone 15, up to 3.8 charges for the Samsung Galaxy S23, and up to 1.2 charges for the MacBook Air. Simultaneous 4-Device Charging: Equipped with 4 charging ports, the power bank powers up to 4 devices at once Smart Display: Stay informed about the remaining power of the power bank at any time Compact and Lightweight: Sized at 4.25 x 1.97 x 1.89 inches and weighing only 0.79 lbs, it?s easy to carry anywhere. What You Get 18-Month Warranty: Power Bank*1, USB-C cable*1, manual*1