
The MacBook Air 15" (M3) and AA Battery are most easily told apart by their overall size. On height, the MacBook Air 15" (M3) measures 237.6 mm against the AA Battery's 50.5 mm — about 187.1 mm more. On width, the MacBook Air 15" (M3) measures 340.4 mm against the AA Battery's 14.5 mm — about 325.9 mm more. On thickness, the AA Battery measures 14.5 mm against the MacBook Air 15" (M3)'s 11.5 mm — about 3.0 mm more.
The MacBook Air 15" (M3) is the heavier of the two at 1.26 kg, compared with 23 g for the AA Battery. That is a 1.24 kg difference (5,378%). In daily handling the difference is easy to feel.
| Metric | MacBook Air 15" (M3) | AA Battery | Diff |
|---|---|---|---|
| Width | 340.4 mm | 14.5 mm | +325.9 mm |
| Height | 237.6 mm | 50.5 mm | +187.1 mm |
| Depth | 11.5 mm | 14.5 mm | -3.0 mm |
| Weight | 1.26 kg | 23 g | +1237.0 mm |