These are NEW STOCK battery chargers ($900 new). They are rated at 100-240VAC, and can be used worldwide by changing the power cable. It is interchangeable with the following part numbers. Ships with 120V US Power Cord.
NTN7621C Six-Pocket Charger, Rapid Rate, 120V
NTN7622C Six-Pocket Charger, Rapid Rate, 220V, 2-prong Euro plug
NTN7623C Six-Pocket Charger, Rapid Rate, 240V, 3-prong U.K. plug