| With the increased usage of laptop computers | | | | are not widely used today. |
| nowadays, the demand for laptop batteries have | | | | NICKEL METAL HYDRIDE BATTERIES |
| reached its peak. Laptop batteries are specific to the | | | | Nickel Metal hydride batteries are better |
| make and model of the laptop. There are lots of | | | | replacements for NiCd batteries. These NiMH |
| laptop battery manufactures like septechnologies | | | | batteries are compatible with most of the older |
| who are capable of supplying batteries that are | | | | laptops. The elimination of the toxic cadmium in this |
| compatible with most of the laptops that are | | | | type of battery makes it environmentally safe than |
| available in the market today. Though there are a lot | | | | the NiCd batteries. Also these batteries are easily |
| of manufactures of laptop batteries, there are a few | | | | available in the market for a cheaper price. |
| things that have to be taken into consideration while | | | | LITHIUM ION BATTERIES |
| choosing a laptop battery. | | | | The lithium ion rechargeable batteries are the type of |
| ALL BATTERIES ARE NOT THE SAME | | | | batteries in which the lithium ion moves between the |
| Most of the laptop users still believe that all the | | | | anode and the cathode. Lithium ion batteries are the |
| laptop batteries are the same. Though the laptop | | | | most commonly used ones in consumer electronics. |
| batteries work on the common principle that | | | | They are currently the most popular batteries that |
| 'electrochemical reaction created forces a stream of | | | | are used in most of the portable devices. These LiON |
| electrons that traverse from one position to another | | | | batteries have excellent energy to weight ratio, no |
| in the laptop batteries and the negative and positive | | | | memory effect, and slow loss of charge when not in |
| terminals send and receive electrons', there are also | | | | use. However, the unique drawback of the Li-ion |
| many differences between the laptop batteries that | | | | battery is that its life span is dependent upon aging |
| are available in the market today. To start with, the | | | | from time of manufacturing (shelf life) regardless of |
| location and shape of different terminals of the | | | | whether it was charged, and not just on the number |
| battery may vary across different models. Moreover, | | | | of charge/discharge cycles. So an older battery will |
| there are three different types of laptop batteries | | | | not last as long as a new battery due solely to its |
| that are available in the market today: | | | | age, unlike other batteries. Though the LiON batteries |
| NICKEL CADMIUM BATTERIES | | | | have this disadvantage, the advantages overweigh |
| The Nickel Cadmium batteries were the ones used in | | | | them is hence it is most preferred laptop battery in |
| laptops in earlier days. These batteries were | | | | use today. |
| preferred in earlier days as they delivered high output | | | | If you are still not sure about what type of laptop |
| at low cost. However, these NiCd batteries have | | | | batteries to choose, nothing to worry about. You can |
| many drawbacks like overcharging, cell reversing, | | | | get the best batteries from experts like |
| memory & lazy battery effects and dentritic shorting. | | | | septechnologies. With all these kinds of laptop |
| Moreover, these NiCd laptop batteries are not | | | | batteries, the industry is still hoping to find an |
| environment friendly. Cadmium which is a very heavy | | | | alternative to maximize efficiency and to minimize |
| toxic metal requires special care during disposal. With | | | | cost. |
| these difficulties taken into account, these batteries | | | | |