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The Dell XPS 14 (9440) was released in early 2024 and is a 14.5" laptop between the Dell XPS 13 and the XPS 16. It has thinner bezels, a seamless touchpad, and edge-to-edge keyboard with a touch function row, it offers two 14.5" display options, 1920x1200 LCD, or 3200x2000 OLED display, both at a refresh rate of 120Hz.
The Inspiron 1100 and 1150 were the budget line of this series, the 5100 and 5160 was the mainstream line, and the 5150 was aimed towards higher end users. This model line were among the first Dell laptops to be offered in Dell’s new color scheme: Venice Blue and Moonlight Silver (1100, 5100, 5150), or Moonlight Silver (1150, 5160, 100L).
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.
On laptops, charging devices from the USB port when it is not being powered from AC drains the laptop battery; most laptops have a facility to stop charging if their own battery charge level gets too low. [83] On Dell, HP and Toshiba laptops, sleep-and-charge USB ports are marked with the standard USB symbol with an added lightning bolt or ...
Dell Latitude was a line of laptop computers manufactured and sold by American company Dell Technologies. It was a business-oriented line, aimed at corporate enterprises, healthcare, government , and education markets; unlike the Inspiron and XPS series, which are aimed at individual customers, and the Vostro series, which is aimed at smaller ...
A shunt charge controller or shunt regulator diverts excess electricity to an auxiliary or "shunt" load, such as an electric water heater, when batteries are full. [7] Simple charge controllers stop charging a battery when they exceed a set high voltage level, and re-enable charging when battery voltage drops back below that level.
“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.
A properly designed charger can allow batteries to reach their full cycle life. Excess charging current, lengthy overcharging, or cell reversal in a multiple cell pack cause damage to cells and limit the life expectancy of a battery. Most modern cell phones, laptop and tablet computers, and most electric vehicles use lithium-ion batteries. [28]