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80 Plus (trademarked 80 PLUS) is a voluntary certification program launched in 2004, intended to promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load, and a power factor of 0.9 or greater at 100% load.
The Dell Inspiron series is a line of laptop computers made by American company Dell under the Dell Inspiron branding. The first Inspiron laptop model was introduced before 1999. [ 1 ] Unlike the Dell Latitude line, which is aimed mostly at business/enterprise markets, Inspiron is a consumer-oriented line, often marketed towards individual ...
The USB standard included power supply to peripheral devices; modern versions of the standard extend the power delivery limits for battery charging and devices requiring up to 240 watts. USB has been selected as the standard charging format for many mobile phones , reducing the proliferation of proprietary chargers.
For example, a 900-watt power supply with the 80 Plus Silver efficiency rating (which means that such a power supply is designed to be at least 85% efficient for loads above 180 W) may only be 73% efficient when the load is lower than 100 W, which is a typical idle power for a desktop computer. Thus, for a 100 W load, losses for this supply ...
Note that laptops on this system will still charge batteries. Modern laptop batteries, however include a temperature sensor that should compensate for the reduced cooling at altitude. This new system accepts various national power plugs and most laptop chargers will function properly at 120 V 60 Hz AC even if sold in 230 V 50 Hz AC markets.
Mar. 23—The clock is ticking for New Mexico's public utilities to switch gears on how they're generating electricity. The state is heightening clean energy standards every five or 10 years, and ...
For example, a 900-watt power supply with the 80 Plus Silver efficiency rating (which means that such a power supply is designed to be at least 85 percent efficient for loads above 180 W) may only be 73% efficient when the load is lower than 100 W, which is a typical idle power for a desktop computer. Thus, for a 100 W load, losses for this ...
“Getting from 80 to 100 (percent) takes about as much time as getting from 0 to 80,” Musk told Rogan. In other words, you could cut charging time by 50% and still get 80% of your EV’s range.