About Batteries by Matthew Archer
Batteries are all over the place -- in our cars, our PCs, laptops, portable MP3 players and cell phones. A battery is essentially a can full of chemicals that produce electrons. Chemical reactions that produce electrons are called electrochemical reactions. ... For one thing, all batteries have a maximum current they can produce -- a 500 milliamp-hour battery cannot produce 30,000 milliamps for 1 second, because there is no way for the battery's chemical reactions to happen that quickly. ... To accurately report the state of charge, the pack electronics has to keep a record of the current...

What is Inside A Smart Battery? by Dan Hagopian
If you have a PDA, MP3, MP4, Laptop, Cell Phone, Smartphone, DVD players, or other electronic device then more likely then not the battery within your device is a high capacity smart battery pack. What is a high capacity smart battery pack? A high capacity smart battery pack is a complex battery... This specialized hardware includes: the connector the fuse the charge and discharge FETs the cell pack the sense resistor (RSENSE) the primary and secondary protection ICs the fuel-gauge IC the thermistor the pc board the EEPROM or firmware for the fuel-gauge IC In...

Batteries - One Size Does Not Fit All by Dan Hagopian
I have a Palm Zire 72 and a Palm m505 PDA. If I buy a Palm Zire 72 Battery that is 3.7 volts can I plug it into a Palm m505 and have that battery power both devices as needed? In a nut shell the question above seeks to ascertain if all 3.7 volt batteries are the same? ... If you have a PDA, MP3, MP4, Laptop, Cell Phone, Smartphone, DVD players, or other electronic devices then more likely then not the battery within your device is a high capacity smart battery pack. ... To construct a smart battery the battery manufacturer must carefully plan the internal battery design environment by...

Advantages of a Sun Powered Battery Charger by Mike Jerry
A sun powered battery charger is a convenient way of saving money while using natural resources. This transportable battery charger can go almost anywhere. They are easy to operate and do not require a technology degree to set up. Because the sun powers this type of charger, you will always have... A portable charger usually consists of one solar cell panel that you can connect to the equipment you want to use. ... Because they are so easy to use, many people end up buying several portable chargers to use with their battery chargers and other small electrical devices.

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 can request a conditioning cycle, which will fully discharge a battery pack and then recharge it to allow the internal remaining capacity value to be accurately calibrated. ... Indeed the battery that powers your portable device is what is known as a smart battery and as such the internal system design of a...

Have Laptop Will Travel by Francis Ardi
Leave prepared when traveling with your notebook computer. Internet connectivity at your destination is one thing to think about when taking your portable office with you on your next trip. You might want to consider some of the following options: Make sure you have a dial-up access account. ... A cell phone which can be connected to your computer or a slot card which is in itself a wireless dial-in device are useful where it is uncertain whether there exist land lines or you need internet access while on the road.

Why Purchase a Dell Laptop? by Garry Allen
One of the most well known brands on the market are Dell laptops. Of course, this comes from a lot of advertising. But their quality goes a long way in explaining why they are so big in the IT world. Let's take for example the new Dell Inspiron 6000. ... This involves the best in battery power life, the fastest graphics for gaming and multimedia, and wireless connectivity. ... Now, no matter how many digital cameras, music players, personal digital assistants (PDA's), or cell phones you have, your Dell Inspiron 6000 notebook will have enough access for all of them.

The Next New Convenience - The Portable Printer by Michelle Bery
Let’s face it, we’re a society on the go. We have cell phones clipped around our ears, email in our pockets, and our schedule at our fingertips at all times. So it stands to reason that more and more pieces of equipment that were traditionally relegated to the office are now being designed to... Most of the large computer manufacturers make a portable printer design so you can rest assured that you’ll be getting a reliable, quality product. ... When looking for a portable printer you can shop brand, size, capabilities, and price.