
The MacBook Air 15" (M3) and AAA Battery are most easily told apart by their overall size. On height, the MacBook Air 15" (M3) measures 237.6 mm against the AAA Battery's 44.5 mm — about 193.1 mm more. On width, the MacBook Air 15" (M3) measures 340.4 mm against the AAA Battery's 10.5 mm — about 329.9 mm more. On thickness, the MacBook Air 15" (M3) measures 11.5 mm against the AAA Battery's 10.5 mm — about 1.0 mm more.
The MacBook Air 15" (M3) is the heavier of the two at 1.26 kg, compared with 11 g for the AAA Battery. That is a 1.25 kg difference (11,355%). In daily handling the difference is easy to feel.
| Metric | MacBook Air 15" (M3) | AAA Battery | Diff |
|---|---|---|---|
| Width | 340.4 mm | 10.5 mm | +329.9 mm |
| Height | 237.6 mm | 44.5 mm | +193.1 mm |
| Depth | 11.5 mm | 10.5 mm | +1.0 mm |
| Weight | 1.26 kg | 11 g | +1249.0 mm |