Very nice XBox 360 battery charger (X2) and the charger itself seems to do the job. It may have been 30 days and one of the batteries is DEAD. The charger recognizes that batteries are connected, but one of the batteries is simply in a never-ending state. While the other (healthy) battery is being charged, the non-working battery will continue to be charged. After three to five hours, the indicator light on the charger remains red. By the way, I tested both sides of the charger on differentโฆ