- High-quality, compatible battery with high capacity for use in your window vacuum cleaner, household robot or home cleaner (all suitable models can be found below) - The battery can be charged with your standard changer or a compatible charger - Our batteries and cells fulfil all operational safety guidelines For a fresh fragrance whilst cleaning, please find fragrance cartridges in our other offers. CONTENT OF DELIVERY: - 1x battery TECHNICAL DETAILS: - Battery type: Li-Ion - no memory-effect - Capacity: 2500 mAh - Voltage: 3.7 V - Energy: 9 Wh - Colour: grey - Number of cells: 1 - Weight: 68 g To ensure compatibility, please check to see whether the battery you are currently using is listed below. REPLACEMENT FOR Kärcher 2.633-123.0 EXTENSILO Premium batteries of the highest standards. Our high-performance, long-lasting replacement batteries have been developed for maximum operating time.