Squares have better packing efficiency. But I’m sure they’ll make round versions. Button batteries are circles because they’re so often used in device with round form factors.
because they’re so often used in device with round form factors
Like PC motherboards and scales?
They’re probably used about as often in non-round items than round. They’re ubiquitous for anything that needs a small, constant, relatively long lasting power supply.
Why are they square? They would be great for replacing CR2032s.
Squares have better packing efficiency. But I’m sure they’ll make round versions. Button batteries are circles because they’re so often used in device with round form factors.
Like PC motherboards and scales?
They’re probably used about as often in non-round items than round. They’re ubiquitous for anything that needs a small, constant, relatively long lasting power supply.