You can take a look at the announcement video https://youtu.be/Y-aPS2AwMbc?si=RD4Ja8tJggLPgXGj
The pdf also has a picture of it where you could possibly reverse Engineer the dimensions based on the other things in the picture. Looks very flat like an iPad battery
The pdf also has a picture of it where you could possibly reverse Engineer the dimensions based on the other things in the picture. Looks very flat like an iPad battery