The battery factors you should pay attention when buying a batteryBatteries 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. Once your laptop battery dead, you should buy a new one, Most people who is not good at battery selection and need a good advice.This article deals with the selection criteria. | | |
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. Once your laptop battery dead, you should buy a new one, Most people who is not good at battery selection and need a good advice.This article deals with the selection criteria.
The following points should play a role in the battery selection:
* The volumetric energy density (Capacity). This value indicates how much electrical energy a Dell hd438 battery Wh per volume (eg liters) can deliver.
* Maximum discharge current. This value plays a role for electrical equipment that need a short period of high power demand.
* Maximum discharge volt . This value plays a role for electrical equipment that need a high voltage to run.
* The weight and shape of the battery. The battery should have a shape that fits into the screwdriver.
* The memory effect in nickel-cadmium Dell d5318 batteries or battery inertia effect for nickel-MH battery. These effects are dependent on the loading and unloading. Further more, this leads to significant reductions in capacity and voltage.
Here is a list of battery types and their associated applications:
* Li-polymer Dell vostro 1710 battery for mobile phone
* NiMH rechargeable batteries for devices with constant current
* Li-ion batteries for portable electronic devices with small size and long operating time
* Lead-acid Dell latitude d630 battery for internal combustion engines
* Ni-Cd rechargeable batteries for portable electronic devices with short periods of high power consumption
*Alkaline batteries are used for clocks and remote controls .
If you look at any battery, you'll notice that it has two terminals. One terminal is marked (+), or positive, while the other is marked (-), or negative. In an AA, C or D cell (normal flashlight batteries), the ends of the battery are the terminals. In a large car battery, there are two heavy lead posts that act as the terminals.
About Author Jean is a battery expert in http://www.laptops-battery.co.uk/ Contact Author Author Website
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