ANSMANN Energy 8 Plus Smart Battery Charger Universal Maintenance Station for AAA, AA, C, D, 9V Rechargeable Batteries Charging and maintenance device for 1-6 AAA / AA, 1-4 Baby C / D cells and 1-2 9V block battery, refreshing and recharge process Damaged batteries can be "revived" | Multiple over charging protection: | Automatic completion of loading and switching to trickle charge Each Rechargeable batterie will be individually monitored | Defects or upside down Rechargeable batteries, such as disposable batteries will be automatically recognized and not loaded. ANSMANN AG assures a 3 year Manufacturer Warranty on the Charger