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The Samsung Gravity (SGH-T459) is a slider feature phone with a full QWERTY keypad. It was first released for T-Mobile USA . The Samsung SGH-T349 is a mobile phone available through T-Mobile and announced on May 20, 2009 that has many similarities to the original Gravity.
A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage , amperes, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.
The Samsung Gravity series of mobile phones includes: Samsung Gravity, released November 7, 2008; Samsung Gravity 2, released in August 2009; Samsung Gravity 3, released in June 2010; Samsung SGH-T669 (known as the "Gravity T" or "Gravity Touch"), a feature phone also released in June 2010; Samsung Gravity Smart, an Android smartphone released ...
Battery Saver Technologies aims to maintain at least 80% of the battery's original charge capacity after 500 charge cycles. [6] Qualcomm claims Quick Charge 3.0 is up to 4–6 °C cooler, 16% faster and 38% more efficient than Quick Charge 2.0, and that Quick Charge 3.0 with Dual Charge+ is up to 7–8 °C cooler, 27% faster and 45% more ...
A power bank is a portable device consisting of a battery, a charger to interface battery with charging power source and an output interface to provide desired output voltage. [10] Power banks are made in various sizes and typically based on lithium-ion batteries. A power bank contains battery cells and a voltage converter circuitry.
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Model number SCH-U460, the Intensity II is a mobile phone by Samsung, in the company's Intensity series, for the Verizon Wireless network. [2] A successor to 2009's Samsung Intensity , the Intensity II looks very similar: [ 3 ] it measures 4.51 by 2.87 by 0.10 inches (114.6 mm × 72.9 mm × 2.5 mm), weighs 4.1 ounces (120 g), [ 2 ] and has a ...
Inductive chargers produce more waste heat than wired chargers, which may negatively impact battery longevity. [ 14 ] [ better source needed ] An amateur 2020 analysis of energy use conducted with a Pixel 4 found that a wired charge from 0 to 100 percent consumed 14.26 Wh ( watt-hours ), while a wireless charging stand used 19.8 Wh, an increase ...