
The iPad Pro 13" (M4) and AA Battery are most easily told apart by their overall size. On height, the iPad Pro 13" (M4) measures 281.6 mm against the AA Battery's 50.5 mm — about 231.1 mm more. On width, the iPad Pro 13" (M4) measures 215.5 mm against the AA Battery's 14.5 mm — about 201.0 mm more. On thickness, the AA Battery measures 14.5 mm against the iPad Pro 13" (M4)'s 5.1 mm — about 9.4 mm more.
The iPad Pro 13" (M4) is the heavier of the two at 579 g, compared with 23 g for the AA Battery. That is a 556 g difference (2,417%). In daily handling the difference is easy to feel.
Best used with two hands for full screen access.
| Metric | iPad Pro 13" (M4) | AA Battery | Diff |
|---|---|---|---|
| Width | 215.5 mm | 14.5 mm | +201.0 mm |
| Height | 281.6 mm | 50.5 mm | +231.1 mm |
| Depth | 5.1 mm | 14.5 mm | -9.4 mm |
| Weight | 579 g | 23 g | +556.0 mm |