General description vhbw offers a high-quality, compatible battery designed for use in various BMW electronic vehicle key fobs. This battery features a high capacity and can be charged with your standard charger or a compatible charger. It is designed to fulfill all operational safety guidelines. Technical specifications Battery type: Li-Ion Capacity: 20 mAh Voltage: 3.6 V Energy: 0.07 Wh Height: approx. 0.2 mm Number of cells: 1 Weight: 2 g Construction: for soldering Type: LIR2025, VL2020 Diameter: 2 cm Compatibility and accessories Compatible with BMW 8 Series E31 BMW E38 BMW X3 BMW 7 Series E38 BMW E46 BMW E39 BMW M5 BMW M3 Replacement for LIR2025, VL2020, VL2025 Other information Content of delivery: 1x battery