Weight: 363 g Battery type: Li-Ion - no memory effect Capacity: 2000 mAh Voltage: 18 V Energy: 36 Wh Colour: black / red Number of cells: 5 Dimensions (L x W x H): 10.6 x 8 x 5.1 cm Compatible with the following device models: Flymo UltraStore 340R Flymo UltraStore 340R Li 36V Push Cordless Lawn Mower To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Flymo FB18V2.5 .