Waveshare UPS HAT for Raspberry Pi (2×18650): 85 × 56 mm board and 58 × 49 mm mounting holes — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/waveshare-ups-hat/  (sheet CC BY 4.0)
Basis: Waveshare UPS HAT outline dimensions drawing from the Waveshare wiki.
Catalog version: 2026-10-20

Overall (mm): length 85.0, width 56.0, height 1.6
- Datum: board centred on X and Y, bottom on z=0; the 2×20 GPIO header edge is −Y, the 8.4 V input / 5 V OUT / switch edge is +Y, the wide 23.5 mm margin is at −X.
- Board 85.00 × 56.00 mm, 1.6 mm thick, square corners (corner radius not dimensioned).
- Four Ø3.0 holes on a 58.00 × 49.00 mm pattern (Raspberry Pi HAT pattern): 23.50 from the −X edge, 3.50 from the +X and +Y edges.
- Not modelled: 2×18650 holder and cells, DC jack, power switch and GPIO header (their heights are not on the drawing).
- This is the 85 × 56 mm 2×18650 version; dimensions are exact nominal mm.

hole  x (mm)  y (mm)  diameter (mm)
1  -19.0  -24.5  3.0
2  -19.0  24.5  3.0
3  39.0  -24.5  3.0
4  39.0  24.5  3.0

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Waveshare: UPS HAT wiki — web — Publisher's page; dimensions are facts — https://www.waveshare.com/wiki/UPS_HAT
- Waveshare: UPS HAT for Raspberry Pi product page — web — Publisher's page; dimensions are facts — https://www.waveshare.com/ups-hat.htm

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/waveshare-ups-hat/index.json
API: https://xemstudio.com/api/geometry?object=waveshare-ups-hat