Lithium ion Rechargeable Batteries by Dan Hagopian
Lithium ion rechargeable batteries are by far one of the most important technologies that have been developed over the last 10 years. Lithium based batteries are used in most portable devices from PDAs to laptops to digital cameras. Lithium ion rechargeable batteries are not hazardous when... However contained inside a battery are components that convert chemical energy into electrical energy and these components if not carefully designed can become dangerous. ... The two electrodes contained within the battery are the anode and the cathode.

Guidelines For Purchasing Business Laptops by Titus Hoskins
Laptops or notebook computers can empower any business or company. They can be a platform for a fully equipped workforce, one that is well organized and ready to meet all of today's vast technological challenges. A workforce that's cohesive, well connected and totally prepared for the modern... Also, remember when choosing your laptop battery always pick the battery with the higher numbered cells. ... Along with security, your company will need a laptop that's sturdy and well built, especially if your workers do a lot of business traveling.

Internal Battery Design by Dan Hagopian
The wireless revolution, the prolific use of PDAs, MP3s, MP4s, Laptops, Cell Phones, Smartphones, DVD players, and other portable devices have increased the need for smart and high capacity portable batteries. Portable batteries however are not typical in design. ... A smart battery stores, monitors, prevents, and transmits critical battery information stored within the battery. ... A smart battery will communicate with the host device through a connector to provide information about remaining capacity, battery voltage, error conditions, cycles completed, internal temperature, current, and...

The 24 Hour iPod Battery by Dan Hagopian
The 24 hour iPod Battery: Fact or Fiction? It would be great if our iPods could play non-stop for 24 hours but is it really possible that such a battery exists? How does consumer usage effect the iPod battery life and can such a tiny design space truly accommodate the capacity specifications... My problem wasn't the battery, but the battery life calibration, which has not been done as it should." The reality is all batteries including batteries designed specifically for iPods (regardless of generation) have a certain amount of capacity and once the full amount of the capacity has been...

Surfboard Lighting Concept by Lance Winslow
There is just not enough time during the day to surf. Many times the best surf is at night, how often do you challenge a sunset to catch that last wave? Well thin you are a surf-aholic and as you have seen out there you are not alone. There is some new killer technology on the horizon for the... Which is need to power up the new electromagnetic induction technology flashlights, which charge a capacitor instead of the working off a battery. ... Yes, that is what I said; now then I have tried this already via a battery-less flashlight and duct tape.

The Basic UPS Guide by Jonathan Kremer
It could happen to you at any time, and in a blink of an eye. All it takes is a small spike, surge, brownout, or any other fluctuation in the voltage , and your equipment can be permanently damaged, your data destroyed, and your operating system files corrupted. ... Any surges or brownouts will be taken in at the battery charger and not passed on to the equipment. ... In addition, the battery is being used all the time, not just during a power failure like other types of UPSs. ... This measurement helps determine how long the battery will power the equipment it is used in.

Notebook Computer Accessories by Josh Riverside
A notebook computer, also known as a laptop computer, is a battery or AC-powered personal computer. It is generally smaller than a briefcase and could be easily carried while traveling. Users find notebook computers convenient to carry in airplanes, libraries, hotels and conferences. ... The no-slip surface holds the laptop firm when the user sits down to work either at a airport terminal, airline seat, park bench or an easy chair. ... The laptop desk is a versatile notebook accessory. ... An extended-life battery helps with enjoying wireless browsing freedom for up to three months.

7 Questions You Need To Ask Before Buying A Notebook Computer by Sabir Rizvi
If you are planning to purchase a notebook computer, then there are seven key questions that you will need to ask yourself. Doing this will enable you to arrive at the kind of quality notebook that best suits your purposes and current budget. 1 - How portable, how powerful? ... You will also have to remember that the larger the screen the heavier and more difficult to carry your laptop computer will be. ... The processor speed will contribute heavily to how fast you will be able to accomplish tasks on your notebook computer.

Laptop Repair (Power Sockets) by Christopher Banwell
Power Jacks/DC sockets Ever moved the laptop and forgot you had it plugged in to the mains? Had it on your lap an the dogs tripped on the cable stretched across the room? Or the kids been tugging on it to get a go of the latest game? Every time the power cable is pulled against the socket on... Eventually what will happen is that the arcing will cause a hole to be burnt in the systemboard where the solder join is and one day it just won't turn on anymore and the likelyhood is that it will then need the systemboard replacing.

Cheap Computer Desktop - 4 Things To Consider When Buying Cheap by Michael Kohler
If you are in the market for a new computer, odds all our that you are looking for the best bargain that money can buy. Often, many retail chains of computer stores will offer phenomenal bargains on some of their best desktop computers. If you are looking for a cheap computer desktop, there are... They need to be able to hold long charges that will enable them to work for longer periods of time when people are not able to charge their backup battery. ... With laptop computers, the battery power is very essential, especially for those that are traveling.