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...

The Truth About PDA Batteries And How To Find The Kind That Suits You Best by Jane Ling
If you own a PDA, you need batteries to go with it. No question about it. Without a battery, your PDA can't function and it practically useless. If you bought your pocket pc from a dealer or the manufacturer, than your machine will probably already come with a battery straight out of the box. ... With today's affordable PDA battery costs, it's easy to acquire a new battery fast. ... But smart solution have been developed to overcome the phenomena, such as smart covers that nutralize the dangers.

Dissecting A Smart Battery – Part 2 by Dan Hagopian
In part 1 of Dissecting A Smart Battery I mentioned that smart batteries have contained within them specialized hardware that when working in concert provides the power necessary to run a device such as a PDA, digital camera, or ipod player. Continuing the dissection of a smart battery this... The Smart Battery’s FET (field effect transistor) Smart batteries must have a series FET (field effect transistor) switch to open and protect the battery’s cells. ... The Smart Battery’s Cell Pack The battery cell can be thought of as the holding area of the battery’s chemical.

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? ... To construct a smart battery the battery manufacturer must carefully plan the internal battery design environment by considering the: design parameters current requirements capacity and runtime requirements temperature requirements safety requirements ambient operational/non-operational temperatures As a...

Understanding Computer Laptop Batteries by George Royal
Types of Laptop Batteries: Nickel Cadmium (NiCd) Batteries: These were the first rechargeable batteries manufactured for laptops. They were relatively inexpensive, had high output and versatile, because they could be used in a wide variety of products. ... What are Smart and Dumb Laptop Batteries: Some laptop batteries are equipped with internal microprocessor circuits that help manage battery energy, set the charger to the correct charge algorithm, predict running time, or according to Smart Battery System (SBS) forum, provide a state-of-charge (SoC) indication.

Digital Camera Batteries: What You Need To Know by Kristine Knight
Your digital camera uses either a rechargeable battery pack or a set of AA batteries. Either will serve you quite well if you follow some simple advice. If your camera uses AA batteries, never ever use the common alkaline cells—even if they were in the box with your camera. ... Smart travelers will keep a few sets of lithium batteries in the trunk of their car so that they have power to spare when they’re far away from an electrical outlet. ... Your camera might use a proprietary lithium-ion (Li-Ion) rechargeable battery—many do.

Laptop Batteries 101 - A Buyer's Guide by Samantha Spiegla
If you are among the increasing number of mobile executives who are switching from PCs to laptops, it is inevitable that you will soon face a situation where you will need to educate yourself about laptop batteries. And then, at some point, buy them. ... (Of course, there are variations according to manufacturer and model of the universal laptop battery.) When do I need a new battery?: You do not necessarily need a new battery only after the current one is completely used up. ... A universal battery is just a larger version of the standard laptop battery, and can power virtually any laptop.

The Pro’s & Cons of Lithium Ion batteries by Gavin Beak
Lithium Ion batteries were invented as long ago as 1912 by Gilbert N. Lewis, but it was a long time before they were developed enough to be launched on a mass market level. This happened in the early 1990’s with Sony pioneering their commercial use. Lithium Ion batteries have many advantages. ... The battery must never be discharged below a certain threshold, otherwise the battery will be damaged irreversibly. ... How to prolong the life of your Lithium Ion battery - Charge the battery early and often , unlike other rechargeable batteries.

How To Get the Most Life Out Of Your Zune Battery by Kori Smith
Naturally, how you choose to operate your Zune player is going to affect the total lifetime of your Zune battery. With the wireless turned off and under normal circumstances when you're just listening to an mp3, the Zune battery will last you a good 14 hours. ... There's a few smart things you can do to effectively maximize the overall lifespan of your Zune battery. ... Using the backlights on your Zune will cut your battery life down drastically. ... The wireless option on your Zune player is a great extra feature to have when you need it, but it will also drain the battery if you have it...

RFID: AT90RF135602- Smallest RFID Reader by Sally Bacchetta
The AT90RF135602 definitely needs a nickname. Even in 8-point type it's too big a title for the world's smallest RFID reader! AT90RF135602 (see what I mean?) is the latest RFID collaboration of California-based Atmel and UK-based Innovision Research & Technology. ... The AT90RF135602 reads and writes to 13.56 MHz RFID tags and smart labels, is optimised for a 2.8V battery operation, and is compliant to ISO/IEC 14443-A parts 2 & 3, making it especially suited for small, battery-powered handheld devices.