The Einhell Power-X-Charger 18V Battery means that you can charge your Power-X-Change battery within 30 minutes (with a 1.5 Ah battery). There is a 6 step charging condition display & the charger can be fastened to a wall for easy storage. This charger has an intelligent charging-management-system for long battery life (Battery status will be constantly checked & accordant loaded, deeply discharge battery will be charged in repair mode).