The Duracell CR2025 is an affordable, well-performing lithium button cell. This battery, also known as the DL2025, BR2025 and L12, has a capacity of 165mAh and can be used to power a great number of devices.
Varta provides batteries in all shapes and sizes. This CR2032 is a button cell battery with a voltage of 3 V and a capacity of 230 mAh. This battery can be used in many (small) devices.