The short answer is: "Which type fits your laptop."
Laptop batteries varies depending on model and type of laptop computer for which they have designed. To do all laptop batteries, but share some common characteristics, to distinguish from normal household batteries:
• Laptop batteries are rechargeable
• They are composed of multiple internal cells
• In any laptop battery is a smallPCB
• shape and location of the terminals differ from model to model.
As with all batteries, laptop batteries create an electrochemical reaction, forcing a stream of electrons from one position to another. Also like other batteries, laptop batteries have positive and negative terminals to receive and send electrons.
Batteries are more complex than traditional batteries. The reason is the electrochemicalReaction, the power supply must be reversed. It must be ensured if they charged, so they perform at their best.
Frank McLarnon, Lawrence Berkley Laboratory researcher says it this way the scientific American.com:
"If the battery is discharged, an electrochemical oxidation reaction at the negative electrode and an electrochemical reduction reaction occurs at the positive electrode. If you try a battery by reversing the direction of enrichmentCurrent flow takes the opposite place: a reduction reaction at the negative electrode and an oxidation reaction takes place at the positive electrode.
In the case of the battery, the electrochemical oxidation-reduction reactions are reversible at both electrodes. In the case of non-rechargeable battery, if you try to recharge the battery by reversing the direction of the electron current flow, at least one of the electrochemical oxidation-reduction --Reactions is not reversible. If the battery is charged, a decrease in overall reaction that proceeds at the negative electrode can not be the true reverse of the oxidation reaction that continues when the battery was empty.
If the laptop battery is not correct, then unwanted build up can take either at the terminal, over time, which can cause a dangerous short circuit. "
It is so important to make sure that your laptop battery or notebook battery is theone for your model and type. Only buy Dell laptop batteries for a Dell laptop computers are not compatible with Gateway Compaq laptop not sit Toshiba laptop batteries well in a Sony.
It is also advisable to remember that old adage: "You get what you pay for."
Some companies have used "cheap laptop batteries have sell" to say that they have refurbished each battery and restored most of itsUseful life. The mistake is that, while possible, refurbish a used laptop battery, the cost would not be more than the price of a new battery. So, "Buyer beware", and if you must buy discount laptop batteries, buy new discounted batteries.
Laptops are a boon to the economy, big and small. As a wise man is only to say: "Look after your laptop, and it will look after you."
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