Features: Rechargeable VL2020 battery designed specifically for car key fobs. Compatible with various models, including MINI R52 and BMW E39. Provides reliable, long-lasting power for optimal fob performance. Semi-sealed construction ensures safe operation across a wide temperature range of -20°C to +60°C. Ideal for drivers seeking a durable, efficient replacement battery for their car key fobs. Ensures consistent power supply and smooth, dependable operation. Reduces the risk of remote failure due to low battery. Upgrade your key fob with the VL2020 battery for added convenience and peace of mind. Specifications: Material: Metal Voltage: 3V Capacity: 20mAh Operating Temperature: -20°C to +60°C Diameter: Approx. 23mm (0.91 in) Note: Please allow for a 1–2 cm measurement variance due to manual measurement. Color appearance may vary slightly depending on monitor settings. Package Includes: 1 x VL2020 Battery