Power Adapter Efficiency Level
Department of energy requires that external power supplies are compliant to level vi energy efficiency requirements.
Power adapter efficiency level. The approach taken to establish an efficiency. External power supplies are power adaptors used to convert household electric current into lower voltage ac current or dc current in order to operate a large variety of household and office products like electric tooth brushes and shavers mobile and cordless phones laptops and tablets as well as printers routers and modems. In what would effectively become the level vi efficiency standard the proposal on the table would mandate no load efficiencies down to 0 1 w for external power supplies ranging from 1 w to. When the doe drafted the level vi efficiency standard.
Efficiency standards for external power supplies. Efficiency levels are defined by no load power consumption and the average efficiency tested at 25 50 75 and 100 load levels. This item 60w 12v 5a ac dc power adapter level 6 w locking barrel connector 6ft power cord ac 100 240v dc power supply module 12v 6a c14 socket 5 5x2 1mm with locking nut power charger adapter t power 12v 60w ac adapter charger compatible with synology diskstation ds218 ds218j ds216j ds216 ii western digital wd my cloud ex2 ultra network attached storage 4tb 8tb 12tb 16tb nas external hard. An ac adapter ac dc adapter or ac dc converter is a type of external power supply often enclosed in a case similar to an ac plug other common names include plug pack plug in adapter adapter block domestic mains adapter line power adapter wall wart power brick and power adapter adapters for battery powered equipment may be described as chargers or rechargers see also battery charger.
Developed to conserve power primarily in consumer and industrial type products medical power supplies are. By february 2016 the u s. The global regulatory environment for external power supply energy efficiency has rapidly evolved over the past decade since the california energy commission cec implemented the first mandatory standard in 2004. From late 2014 cui began introducing a comprehensive doe level vi compliant adapter portfolio to keep our customers one step ahead of the rapidly evolving power landscape.
In 2014 the u s department of energy introduced more rigid level vi standards which went into effect in 2016. A draft eu amendment dated 2018 indicates that the legislation may mirror more closely the doe level vi limits effective april 2020. As the last eu implementation date has slipped this is the current situation as of august 24 2018. External power supply efficiency standards note.
Market the european union eu also is expected to harmonize with the new efficiency standard.