> isn't a normal cell in an EV battery is like a AA size?
No. Some companies use tons of cylindrical cells that are larger AAs (like 18mmx65mm, 21mmx80mm, or 46mmx80mm). But even then at 46mm in diameter it's a good bit bigger than a AA.
But lots of manufacturers use prismatic or pouch like batteries. They're large and rectangular. Like these batteries on this BYD, they're called "blades". Most other major manufacturers use prismatic cells.
No. Some companies use tons of cylindrical cells that are larger AAs (like 18mmx65mm, 21mmx80mm, or 46mmx80mm). But even then at 46mm in diameter it's a good bit bigger than a AA.
But lots of manufacturers use prismatic or pouch like batteries. They're large and rectangular. Like these batteries on this BYD, they're called "blades". Most other major manufacturers use prismatic cells.