External Power Supplies (including Cell Phone Chargers)
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New Efficiency Compliance Calculator from PIAre you tired of having to consult multiple sources when checking the efficiency compliance of your EPS designs? If so, check out PI's new External Power Supply Efficiency Compliance Calculator. Simply enter your data into our calculator and see if it complies with current world-wide energy efficiency regulations. |
The EPA estimates that there are more than 3 billion units in use in the US and about 10 billion in use globally.
| Efficiency Requirements for External Power Supplies and Cellphone Chargers |
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China USB Charger Spec(China) |
EC Code of Conduct(European Union)See the EC CoC page for detailed specifications. The European Commission’s version 4 of the Code of Conduct for External Power Supplies is now in effect. |
EC Ecodesign Directive for EuPs(European Union)
EC EuP Ecodesign Directive |
EC IPP Mobile Device Charger Rating
IPP Project page Major mobile phone manufacturers have developed a no-load power consumption rating system using a star labeling scheme. |
Energy Saving(Korea)External Power Supply -No load: 0.8 W Battery Charger - No load: 0.8 W |
ENERGY STAR (US)See ENERGY STAR page for detailed specifications. ENERGY STAR has issued version 2.0 of their efficiency requirements for external power supplies. |
U. S. Energy Independence and Security Act of 2007 (EISA 2007)The Energy Independence and Security Act of 2007 (EISA2007) is a mandatory efficiency standard for external power supplies sold in the US and rated ≤250 W (effective date - July 1, 2008). See the EISA2007 page for detailed specifications. |
| NOTE: Please refer to individual program specifications for latest standby requirements. |




