The Einhell 18V 4.0Ah PXC Starter Kit is the ideal basis for building up the PXC range in your home. A twin pack of 18v 4.0ah batteries and 2 x 3.0ah chargers for all tools saves significant costs of buying, and universal use also helps to protect the environment and provides flexibility. The benefit of having 2 batteries and 2 chargers means if you invest in any of the twin 18v / 36v Einhell Power X-change machines you will have minimal downtime. Einhell Power X Change 18v Lithium Ion 4.0ah Battery Power X-Change is the rechargeable battery system from Einhell. It is designed for multi functionality. With this advanced technology, you can use 18V rechargeable batteries with different capacity ratings to power any of the Einhell Power X Change range. 7-in-1 ABS: Active Battery Management System from Einhell. No memory effect - the battery can be recharged at any time, even if it is only partially discharged. No self discharging - always ready for immediate action even after being in