If the battery is low, SMARTACTIONS can automatically lower the display lighting to ensure the battery lasts longer.
ENGADGET: Sprint's Motorola Photon Q LTE is coming 'very soon' (update)
The on-board motor is a tiny, 3-cylinder generator that supplies electricity when the battery runs low.
She briefly called to tell him that her cell phone's battery was low.
Some car companies are rolling out hybrids that can switch over to a gasoline engine when the battery runs low.
FORBES: California To Build A $100M Electric Car Charging Network
If innovation drives solar and battery prices low enough, the energy sector may become no different than any other industry in producing limited externalities.
The selling point of the E-rev is that is cuts out "range anxiety" because if the electric charge in the battery runs low the car can use petrol to generate more.
Continuing down is the familiar Xbox 360 quadrant, which lets you know which controller the base is currently paired to for voice chat (it supports up to four Warheads), as well as if the battery is low or if it's searching for a headset.
ENGADGET: Tritton Warhead 7.1 Wireless Surround Sound Headset for Xbox 360 review
After snapping five panoramas ranging from 12 to 120 shots apiece, the low battery indicator popped up.
ENGADGET: GigaPan Epic 100 hands-on and review, panorama style
And when the battery charge runs low, the British supercar switches to an alternative power source, a pair of 77-pound micro-turbines that serve as onboard generators.
Before the first month was over, BlackBerry issued a significant update promising to improve power management for better battery life, low-light camera performance and third-party app performance.
The new Research In Motion (RIMM) PlayBook tablet, which will launch sometime early next year, suffers from surprisingly low battery life, Kaufman Bros. analyst Shaw Wu asserts in a research note this morning.
FORBES: Research In Motion: PlayBook Battery Life Too Short?
My technical mind processed the frequency of tweets (unlike some of our politicians on Twitter) and concluded it was not an injured bird but one of the smoke detectors with a low battery.
FORBES: A Lesson In Keeping An Elderly Parent Safe In Their Own Home
Bad buzz about iPhone battery issues and the low-cost tablet threat from Kindle Fire quickly harshed the post-launch buzz.
It adds that the lightweight nature of the system means that apps should run smoothly and offer "optimal battery life" on low-end devices.
BBC: First Firefox phones revealed by Mozilla and Geeksphone
Work ran over by 90 minutes due to a tool running low on battery power and a particularly awkward bolt securing a handrail that needed to be removed.
The tinier printer does gain portability from the size shrink (it has only has room for a 5.5-inch cube) and the ability to be powered by a battery thanks to its low power-draw.
According to tech support, battery life may be as low as 3.5 hours for highly intensive applications.
What they expect from BlackBerry 10 is a stronger, longer lasting battery, durability and continued low cost connectivity.
In 10 hours of daylight charging the unit gathers up to 20 hours worth of battery power for use in the low-power 8 LED mode, or 10 hours of life if used in 16 LED mode.
ENGADGET: PiSAT Solar's K-Light boasts a one-to-one charging ratio
In other green tech and design news, Hitachi unveiled an impressive new wireless controlled robot to help with the Fukushima Daiichi cleanup and London-based designers Martin Riddiford and Jim Reeves developed the GravityLight, an amazing low-energy, battery-free light that works by harnessing the power of weight and gravity.
In low external temperatures, the battery is quickly brought up to operating temperature with the aid of an electric heating element.
ENGADGET: Visualized: Mercedes-Benz SLS AMG E-Cell bares all
But the vehicle has a small gasoline-powered generator on board that can charge the battery on the fly when it gets low.
Following the introduction of the IdeaPad U350, the 14-inch U450p offers Intel consumer ultra low voltage processors, long battery life and a wide range of entertainment and productivity features.
ENGADGET: Lenovo debuts IdeaCentre D400 home server, 'world's thinnest' Q100 and Q110 nettops
Discharging the battery too quickly, or with too low voltage, can also cause it to overheat, said University of Dayton professor Raul Ordonez, an aircraft electrical and computer engineer who spent time observing Dreamliner development at Boeing's Seattle headquarters.
CNN: Quick fix for Dreamliner looks less likely, experts say
But he thinks his car, to be engineered and built in China, will succeed, because its proprietary battery is robust, and his costs are low.
Alcatel, however, will use a small radio transmitter concealed in the battery cover of the phone to transmit a coded low-power signal to the belt clip to tell it when to vibrate, a company spokesperson said after the press conference.
CNN: Technology - Alcatel personalizes vibrating phone alerts
Mr. McNerney has kept a low public profile since a Jan. 7 battery fire on a parked Japan Airlines Co.
Bluetooth low energy runs off a small coin cell battery, lasts about a year, and allows a small tag to send data to a phone.
FORBES: Launching The Internet Of Everything One Startup At A Time
Longer battery life requires lower power consumption in both high performance and low performance modes (MP3 decoding, background processing, etc.).
ENGADGET: Toshiba mobile RAM uses prediction, adaptation to cut power use by up to 85 percent
The always-on, low energy wireless connection minimizes usage of the phone battery and lets people track their activity even when their iPhone isn't nearby.
应用推荐