The Einhell 18V 2.5 Ah Power X-Change Battery is a member of the multifunctional and completely interchangeable Power X-Change rechargeable battery system from Einhell. The Power X-Change rechargeable batteries can be used universally for supplying power and endurance to every cordless tool from the entire garden and workshop product family. The high-quality rechargeable battery resists the memory effect and the self-discharging normally associated with batteries, to deliver constant high power. The 18V 2.5 Ah Power X-Change Battery is the ideal basic rechargeable battery from the Power X-Change family and is also suitable for TWIN-PACK use for 36 V applications. The ABS process-controlled active battery management system has a microprocessor for permanently monitoring the battery parameters. It therefore ensures maximum safety, optimum tool performance, maximum operating time and a maximum service life. The current charge level can be checked on a 3-step LED display. The housing is designed to be resistant to dust, corrosion and mechanical influences. There is a trough handle to enable the battery to be removed from each tool with ease.