The Einhell PXC 2x 4.0Ah Starter Kit Twincharger Kit is for universal use featuring 2x 4.0Ah PXC batteries the PXC Twincharger. Max. safety is ensured by the proactive battery + intelligent charging management system. All the parameters are permanently monitored by state-of-the-art components. The high-quality li-ion cells are resistant to the self-discharging. Impact protection and a good grip are provided by the rubber-coated housing + recessed handles. The parallel charging gets two 4,0Ah 18 V batteries in 75 minutes ready for action again. Charging cycles are adjusted to the situation, so the batteries have a longer service life. Info on the battery status is provided by the 3-step LED system + detailed charging status display. Einhell Power X Change 18v Lithium Ion 4.0ah .