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I carry my 15" MBP Retina on a 1.5 hour commute. It's light enough that I really don't think too much about it. I carry a change of clothes and a few other item

I carry my 15" MBP Retina on a 1.5 hour commute. It's light enough that I really don't think too much about it. I carry a change of clothes and a few other items as well so it is not the majority of the bulk and weight. The adapter is heavy so I bought one for the office to avoid carrying it back and forth. I think I would feel cramped on a smaller screen, but that is based on being spoiled with this big screen.

jakobegger 11y ago
Pro Tip: You can use the smaller power adapters (from the 11" Macbook Air) with the bigger laptops, as long as you're not running the GPU at full blast. However, if your Mac needs more power than the adapter can provide, it'll take it from the battery. Only downside: When your battery goes empty, the Macbook won't start immediately when a weak power adapter is connected. It will first charge the battery a bit, and only boot again after a few minutes. If you use the power adapter with the correct rating, the Macbook boots immediately after connecting it to power.