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| AT&T 's New ZERO Charger |
When you charger your cell phone do you unplug when the charger when the phone is fully charged. Most people don't. The charger are continues to draw power even when the phone is fully charged. This can cause the charger to consume between 5 and 20 times more energy than the phone battery stores. This phenomenon called "vampire power" which mean the waste power.
The ZERO Charger will shut off the power as soon as the battery are fully charged. Besides that, the ZERO charger have USB capability which mean it can charge different devices other than cell phone.References:
1.http://greenupgrader.com/11083/new-att-cell-phone-charger-eliminates-vampire-power/
2.http://buildaroo.com/news/article/att-zero-cellphone-charger-no-energy-waste/
