
The MacBook Air 13" (M4) and AA Battery are most easily told apart by their overall size. On height, the MacBook Air 13" (M4) measures 215.0 mm against the AA Battery's 50.5 mm — about 164.5 mm more. On width, the MacBook Air 13" (M4) measures 304.1 mm against the AA Battery's 14.5 mm — about 289.6 mm more. On thickness, the AA Battery measures 14.5 mm against the MacBook Air 13" (M4)'s 11.3 mm — about 3.2 mm more.
The MacBook Air 13" (M4) 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 13" (M4) | AA Battery | Diff |
|---|---|---|---|
| Width | 304.1 mm | 14.5 mm | +289.6 mm |
| Height | 215.0 mm | 50.5 mm | +164.5 mm |
| Depth | 11.3 mm | 14.5 mm | -3.2 mm |
| Weight | 1.26 kg | 23 g | +1237.0 mm |