Softbank announces the Arrows A, can fast-charge a day of use in just 10 minutes

Softbank's Winter 2013 range for Japan includes the Arrow A, a smartphone models that fully charge in 10 minutes

Softbank has just held its biannual showcase to reveal its new smartphone family and, as is often the case with Japanese carriers, there's a few interesting devices alongside the more predictable iPhone fare. Poring over the company's Winter 2013 collection, it's Fujitsu's Arrows A 301F that immediately jumps out, with the particularly useful ability to charge up "a full day" of use in just 10 minutes. However, we're not sure whether that's thanks to the processor or a "dedicated" AC adapter that comes with the device. The 2,600mAh battery will reportedly offer three days of use on a full charge and is accompanied by some more familiar smartphone specs, like a 5-inch 1080p display, Snapdragon 800 processor, and 13-megapixel camera sensor. Talking of sensors, there's one other feature that's had plenty of attention elsewhere recently: a fingerprint reader. On the Arrow A, it's located on the rear, just below the flash and camera sensor, although the company hasn't elaborated on its uses. The phone will launch in Japan this December.

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Source: Softbank

Texas Instruments brings fast charging, extended life to Li-ion batteries

Texas Instruments brings fast charging, extended life to Liion batteries

Yesterday Texas Instruments introduced a couple of new chipsets (fuel gauge an charger ICs) designed to improve the charging speed and life expectancy of single-cell Li-ion batteries. The technology, called MaxLife, is expected to provide an improvement of up to 30 percent in battery service life and faster charging times. Cell impedance is carefully monitored by the fuel gauge chip while the charger IC uses a model of battery degradation to charge the cell in the most effective way. Both chips are connected via an I2C bus to form an autonomous battery management system which, according to the company, is safer and more thermally efficient than existing solutions. The two chipsets (2.5A and 4.5A) are now available along with a development kit, so it's only a matter of time until this technology lands into handsets and other devices that use single-cell Li-ion batteries. Check out the details after the break.

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