General description vhbw offers a high-quality, compatible battery designed for use in various garden tools and appliances, including the Flymo UltraReach 420 lawnmower, lawn trimmer, and hedge trimmer. This battery features a high capacity and can be charged with a standard or compatible charger, ensuring convenience and efficiency in your gardening tasks. Technical specifications Battery type: Li-Ion Capacity: 4000 mAh Voltage: 18 V Energy: 72 Wh Number of cells: 4 Weight: 621 g Colour: black Compatibility and accessories Compatible with Flymo UltraReach 420 Replacement for FB18V2.5 Other information The battery has no memory effect. All batteries and cells fulfill operational safety guidelines.