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AT&T unveils ultra-green USB phone charger

03/17, 10:55am

ATT ZERO Charger wastes no energy when done

AT&T today trumpeted its green credentials through the ZERO Charger. The Superior Communications-made device powers most low-power USB devices, including the iPhone, and is purportedly the world's first charger to avoid "vampire" power draw. When a device is full, the ZERO automatically stops charging and therefore avoids a trickle of energy when a device is left plugged in. The interchangeable "block" design also reduces the obsolescence of the charger once owners replace their devices.

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