Batteries Cell
Batteries Cell
Whats the deal with 9-cell batteries for netbooks?
Many netbooks come with 3-cell/6-cell batteries and websites claim it will go even longer with 9-cell ones. If thats the case then why doesnt manufacturers include that in the first place? How much does it cost when u buy it extra? And how about the weight, does it make the netbook heavy?
1) More you buy from manufacturers, more money they make.
2) Differs for every brand, you can goto newegg.com (my fav) to see the add-on costs for a recent netbook
3) It does but not significantly. Worth it i’d say.
Batteries Cell
The right way on the lithium battery cell phone `
Say one more thing: the market retail price of 15 ~ 20 battery, purchase price of about 7 dollars, life-expectancy of one year; the market retail price of 50 to 78 yuan battery, purchase price is about 28 dollars, life is generally 2 to 3 years; market retail price of about 120 cells, purchase price about 70 dollars, life expectancy for more than three years! Lithium batteries should be noted that after some time the battery is placed into hibernation, lower than normal capacity at this time, the use of time has also come to shorten. However, lithium batteries can easily activated, as long as after 3-5 times the normal battery charge and discharge cycle can be Laptop Battery acer Laptop Battery activated to restore normal capacity. As the battery lithium own characteristics, its decision is almost no memory effect.
For lithium batteries, “activate” problem, many say is: charging time must be more than 12 hours, repeated three times to activate the battery. This “three times before charging to charge more than 12 hours,” saying, obviously from the nickel battery (such as nickel cadmium and nickel metal hydride) inherited from the statement. So this argument can be said to misrepresent the start. Lithium and nickel battery charge and discharge characteristics are very different, and can tell you very clearly, have had access to technical information for all the serious official stressed the overcharge and over discharge will have lithium batteries, in particular liquid lithium-ion battery causing great harm. Therefore the best charging method in accordance with standard time and standard charge, especially not for more than 12 hours of super-long charge. Typically, the statement introduced mobile phone charging method is suitable for charging the mobile phone standard method.
In addition, lithium batteries cell phone or battery charger will automatically stop after full charge, there is no nickel-power charger for 10 hours the so-called the “trickle” charge. That is, if the lithium batteries in full, on the white charger is also sufficient. But no one can guarantee that the battery charge and discharge protection circuit features and never change and quality elsewhere, so long the battery will be hovering at the edge of danger. This is also another charge against the chief reason.
The right way on the lithium battery cell phone `
To sum up, on the cell phone lithium battery charge and discharge in use, the most important tips are:
1, in accordance with the standards and procedures, charging time, even the first three have to do so;
2, When the phone prompts when electricity is too low and should start charging as much as possible in a timely manner;
3, lithium batteries do not require special methods of activation, normal cell phone use in lithium batteries would be natural activation. If you insist to use wisdom of “the three previous 12-hour long activation charge” approach, in fact, there will not be effective.
Therefore, all 12 hours long pursuit of the lithium battery cell phone charger and practices used in automatic shutdown, are wrong. If the former is done in accordance with the wrong argument, please correct, perhaps not too late.
About the Author
apple Laptop Battery Dell Y9943 battery
what is the middle contact pin in cell phone batteries for?
cell phone batteries and their slots in the phone have 3 golden metal contacts—-i’m guessing 2 are for + and – ….wondering what the middle one is for?
The middle contact in most cell phone batteries is actually a data pin. Lithium Ion batteries tend to be smart batteries, meaning that they can report various status settings to the phone through that middle pin.
Things like temperature, current charge, and what the state of health of the battery is (how much of it’s original capacity is still there) are what is usually transmitted over that pin.
If you would like to read more about batteries and the technology associated with them please take a look at the link below.
I hope this has answered your question.
HP Mini 1000 6 cell battery
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