General description vhbw offers a high-quality replacement battery designed for the AL-KO Robolinho 1150 W and 500 E robotic lawnmowers. This battery provides a reliable power source for your garden tools and appliances, ensuring optimal performance. Technical specifications Battery type: Li-ion Capacity: 2500 mAh Voltage: 18 V Energy: 45 Wh Number of cells: 5 Weight: 262 g Compatibility and accessories Compatible with AL-KO Robolinho 1150 W, 500 E (119833) 02/2018 - 01/2019 Replacement for Kärcher 6.445-098.0, AL-KO 440454, 441154, 442175, 440629, 442196, 442632