Whether you're starting or expanding a Power X-Change tool kit, this battery and charger set includes a 4.0ah Power X-Change battery and a 3A charger for recharging it in between uses. A single battery is all that is needed to run 18v Power X-Change tools (36v Power X-Cahnge tools run on the same batteries, but require two of them simultaneously). Features and Benefits • Power X-Change starter set with one 4.0ah battery and charger • Battery can be combined for twin-pack use in 36v tools • Suitable for use with Einhell and Einhell Professional Power X-Change tools • Fast charging technology for shorter charge times • Smart charging management system for optimal charging and safety • Refresh mode for reactivating deeply discharged batteries • 6 Stage LED status indicator Specifications • Battery Voltage: 18v • Battery Type: Power X-Change Lithium Ion • Battery Capacity: 4.0ah • Battery Quantity: 1 • Charger Input Voltage: 240v UK Mains Contents • Einhell 18v Slim Plus Power X-Change Lit