Power X-Change 18V 4Ah Power Tool Battery & High Speed Charger Starter Kit - 

The Einhell 18V 4Ah PXC Starter Kit is the ideal basis for building up the PXC range in your home. A single rechargeable battery and charger for all tools saves significant costs of buying, and universal use also helps protect the environment and provides flexibility at the same time. The ABS process-controlled active battery management system ensures max. safety, optimum tool performance, maximum operating time and a maximum service life. The high-quality rechargeable battery resists the memory effect and self-discharge. The high-speed battery charger makes short charging times, optimum charging and max. safety possible thanks to intelligent charging management. There is a refresh mode for reactivating exhaustively discharged batteries.