The flashes are also very short, to minimise battery consumption.
Conversely, Verizon gives Angry Birds high marks for security, battery consumption and data usage.
It works well enough indoors, but is difficult to read outdoors and contributes around 1% battery consumption per hour.
Matt Galligan, founder of the Circa news app, also wrote about his problem with Facebook's battery consumption.
Mr. Pratz said his technology minimized dropped connections but did not eliminate them, and noted that the In-Car-Router had been modified to reduce battery consumption.
It turned out other Android services including Android system and Android OS showed reduced battery consumption when the Facebook app was uninstalled.
Small additions such as the battery consumption measured in milliampere hours, the file browser in settings and the hidden System UI tuner will keep power users happy.
His company, which makes the lamp, estimates that L.E.D.'s have about one-tenth the battery consumption rate of a comparable incandescent bulb.
To reduce battery consumption further, both the Windows and Mac operating systems include control panels that allow users to increase battery life by simultaneously decreasing performance.
Unlike a laptop or an iPhone, the screen is not illuminated, so there's no glare, no eyestrain — and no battery consumption.
And since battery consumption depends on clock speed, devices based on HSLA chips could operate for twice as long between charges.
