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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 ...
Example charging graph. On the left: per-cell quantities. On the right: example values for a 40 Ah, 6-cell (12 V) battery. Note: schematic illustration; not based on actual measurements. IUoU is a DIN-designation [1] (DIN 41773) for a lead-acid battery charging procedure that is also known as 3-stage charging, 3-phase charging, or 3-step charging.
The integrated webcam above the display has a camera resolution is 0.92 megapixel and its maximum video recording resolution is 1280x720 (HD) at 30 FPS. The battery of the laptop is a 2-cell prismatic battery with a voltage of 7.6 VDC. The power adapter bundled with the laptop is capable of 45w and outputs a 2.31 A.
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. [27]
Dell was the subject of a class action lawsuit in 2005 over some of their Inspiron laptops (models affected include the 1100, 1150, 5100, 5150, and 5160). The suit was filed in September 2005, and was officially settled between December 2006 and January 2007, in what is known as the Lundell Settlement. [ 8 ]
Universal charger or common charger refers to various projects to standardize the connectors of power supplies, particularly for battery-powered devices. Since the publication of the USB Power Delivery standard in 2012, and the USB-C connector in 2014, USB-C has become a widespread standard for charging mobile phones.
A battery eliminator is an adapter intended to allow a device intended for battery operation, such as a radio, to be operated from an AC outlet. [10] All radios, except crystal sets, used inconvenient and messy vacuum tube batteries until the mid- to late-1920s. Battery eliminators that plugged into light sockets became very popular. [11]
A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.