Thanks to innovative Real Time Technology, the battery status is visible at a glance: The integrated LCD display shows remaining runtime, remaining charging time, and charge level - always depending on the device being used. The lithium-ion cells ensure consistent performance and prevent both self-discharge and the memory effect (capacity loss due to frequent partial discharge). Pleasant soft-touch housing elements provide a non-slip stand on smooth and sloped surfaces. The 18 V / 2.5 Ah Battery Power interchangeable battery is suitable for use in all devices of the Kärcher 18 V Battery Power battery platform.