With the power bank, you can fully charge an iPhone 16 Pro about 4 to 5 times and a 13" MacBook Air about 1 to 1.5 times, based on the capacity of 20,000 mAh (74 Wh) and the typical battery capacities of these devices.

To explain:
- The iPhone 16 Pro has a battery capacity of approximately 4,000 mAh, so 20,000 mAh is enough for about 4 to 5 full charges, as charging losses must be taken into account.
- The 13" MacBook Air has a battery capacity of around 49 Wh, the power bank offers 74 Wh, which corresponds to around 1 to 1.5 full charges.

The power bank supports fast charging with up to 140 W total power, USB-C with up to 100 W and USB-A with up to 40 W, which is also suitable for the MacBook Air and iPhone 16 Pro.