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.
In times of low power demand, Schmitz says the the system gradually re-stores the battery power so it is able and ready to be used when the customer again needs power.
FORBES: Power Opportunity for GE, et al: How To Store Wind/Solar Renewable Energy
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.
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.
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
Instead of selling individual units, they would offer a low-power system that relied on a solar cell or car battery in remote areas without grid electricity.
Instead of selling individual units, they would offer a low-power system that relied on a solar cell or car battery in remote areas that didn't have grid electricity.
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
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.
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
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.
Based on Samsung's BSI low power process technology, the S5K3H2 is able to operate on 1.2 voltage levels enabling longer battery life for high-end mobile and smartphones.
ENGADGET: Samsung releases 8 and 12 megapixel CMOS smartphone sensors, shoots 1080p on the go
应用推荐