Powerline III was either thicker, less coilable, or both. I can't remember now because I bought a bunch of cables and tested them. Powerline II was thin and easier to coil.

I normally put cables, chargers, headphones, and glasses in the small top front pouch of the bag. I hate packing cubes and bags-within-bags because they add bulk + steps to get to items.

The thing is a tiny scale for tea. It's actually meant for diamonds and small amounts of gold (the brand is GemOro), but it's perfect for tea.