I have an iPhone 16 Pro Max and an older version of this battery I use and when I travel:

https://a.co/d/3g3F4eC

It can charge my MacBook Aur M2 once or my iPhone 16 Pro Max 3-4x. The iPhone itself can easily last flying and layovers all day.

https://a.co/d/igikGeL

I'm not sure how many times it would charge our phones. One day I think we did 4 different ones without issue.

When you're standing around at a BMX track, the functionality here actually made a lot of sense. It's not travel friendly in the same sense.

We have named ours "the cube".

Phone dead? Grab the cube. Tires soft? Grab the cube. Left the lights on in the car? You got it, the cube.