Designed for use in low drain gadgets like watches and calculators, the Energizer CR2032 is considered one of the maximum dynamic and most lasting coin cells available. The battery features an incredibly powerful Lithium Manganese Dioxide technology, has a powerful cellular capacity which produces 3 Volts of strength and holds 100 mAh charge. These tiny coin-sized batteries pack enormous power that makes it suitable for use in a range of electronics. (1) Battery size: ECR2032. (2) Colossal charge of 100 mAh. (3) Lasts longer as compared to other coin cell batteries available in the market. (4) Suitable for low-drain devices.