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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?The quick answer is no - all 3.7 volt batteries are “not” the same – and a battery specifically designed for a Palm Zire 72 will not be compatible with a Palm m505 PDA.Let me explain.It is true that all batteries share similar components and share common electrical measurements. But just because all batteries have some common components and measurements does not mean at all that you can interchange batteries with various devices even if the technical ratings are the same. Note that a component is something tangible and a measurement is intangible - a result of an action contained within the battery system.Quick Review: What is a Battery and how does it work?A battery in its most basic definition is a device that converts chemical energy into electrical energy. Batteries have two electrodes, an anode (the positive end) and a cathode (the negative end). In between the battery’s two electrodes runs an electrical current caused primarily from a voltage differential between the anode and cathode. The voltage runs through a chemical called an electrolyte (which can be either liquid or solid). This battery consisting of two electrodes is called a voltaic cell.Electrical measurements that can be gleaned from battery operations inclued the measurements of:Volts - or V – is the electrical measure of battery’s energy potential. For example you can think of energy potential as the pressure being exerted by all the electrons of a PDA Battery’s negative terminal as they try to move to the positive terminal.Amps - or A – which is a measure of the volume of electrons passing through a wire in a one second. One Amp equals 6.25 x 1018 electrons per second.Watts: Volts x Amps = Watts. Watts are important because a watt represents the electrical energy spent by a battery (power generator) and used by an electrical device. Watts in effect is the measure of the amount of work done by certain amperage (amount) of electric current at a certain pressure or voltage.Now beyond that basic review of the common components and measurements of batteries begins the radical differences between batteries. 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.What is a high capacity smart battery pack? A high capacity smart battery pack is a complex battery system designed to power high tech electronic devices.To construct a smart battery the battery manufacturer must carefully plan the internal battery design environment by considering the:
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© Dan Hagopian You have permission to publish this article electronically or in print, free of charge, as long as the bylines are included with link. Dan Hagopian of www.batteryship.com is a known electronics author that specializes in portable power gadgets. His work can be found on the BatteryShip blog at www.batteryeducation.com He frequently writes about pda batteries, ipod batteries, general battery technology for our mobile world, new fuel cell technology and interesting power related inventions. For further information please visit www.batteryship.com where you can also find PDA battery replacement kits, smartphone batteries, twoway radio batteries, barcode scanner batteries, camera batteries, and camcorder batteries.
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