Features: Replaceability: The product can directly replace common models such as CR2032, and is suitable for remote control watches, computer motherboards, and other devices, providing convenient replacement option. High capacity: The product has a high-capacity design of 40mAh, which can provide longer lasting power support compared to traditional button batteries. Long service life: The product has a long service life, can be recharged repeatedly and maintain good battery performances, extending the device's service life. Stable output: The product provides stable current output, ensuring the normal operation of the equipment and maintaining reliability in different application scenarios. Environmental protections and energy conservation: Due to its rechargeable nature, the product reduces the demand for disposable button batteries and reduces the impact of discarded batteries on the environment. Specifications: Material: Composite Material Quantity: 5pcs/card, 10pcs 2 card, 15pcs 3 card, 20pcs 4 card, 25pcs 5 card, 30pcs 6 card(optional) Model Name: LIR2032 LIR 2032 Lithium Batteries Dimension: 20x3.2mm Capacity: 40mAh Voltage: 3.6V Rechargeable: Yes Note: 5pcs per card, please select according to your need. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 5/10/15/20/25/30Pcs LIR2032 Button Batteries