understanding of laptop battery
Know the laptop battery materials, let us understand their origin.Laptop battery origin is mainly China，Japan, South Korea, and Taiwan Province of China,especially in China, mostly because the battery used in laptop batteries almost by Chinese manufacturers, such as:DELL, HP, ASUS , ACER and so on. South Korea, China and Taiwan Province of China make more use of the main processing and production of batteries are also the core of China.
take the two batteries as example：
Genuine ASUS A31-K53 10.8V 56Wh 6-cell laptop batteries
Voltage:10.8V
Capacity:5200mAh(56Wh)
Chemical:Li-ion
Color:black
Property:new original battery
Warranty:9 months
compatible batteru part number:
ASUS A32-K53 laptop battery , A42-K53 battery , A41-K53 , A31-K53 ,
A43EI241SV-SL battery
Voltage:14.8V
Capacity:2700mAh(40Wh)
Chemical:Li-ion
Color:black
Property:new original battery
Warranty:9 months
compatible batteru part number:
DELL XCMRD , MR90Y battery , DELL YGMTN , MK1R0 battery , DELL 312-1387 battery ,
DELL V1YJ7 , 312-1390 laptop battery , N121Y batteries , G35K4 ,
DELL 312-1392 laptop battery , DELL 4WY7C laptop battery , DELL T1G4M laptop battery , XRDW2 , DELL G019Y laptop battery , 68DTP laptop battery , FW1MN , DELL 49VTP ,
312-1433 laptop battery , TT5W , 6K73M battery , DJ9W6 laptop battery , 0MF69 ,
8RT13 , DELL 8TT5W , W6XNM batteries , DELL 24DRM laptop battery , 6XH00 laptop battery ,
PVJ7J battery , 6HY59 , X29KD laptop battery , DELL 9K1VP laptop battery ,
6KP1N laptop battery , 4DMNG laptop battery , DELL VR7HM batteries ,
V8VNT laptop battery
This computer batteries compatible the following models: Inspiron 14V , DELL INSPIRON 15 3521 laptop battery , INSPIRON 14R 5421 batteries , INSPIRON 15 3521 ,
INSPIRON 17 3721 batteries , DELL INSPIRON 14 3421 batteries , INSPIRON 15R 5521 ,
INSPIRON 17 3721 laptop battery , INSPIRON 14R 5421 , INSPIRON 14 3421 laptop battery ,
INSPIRON 15R 5521 battery , INSPIRON 17R 5721 batteries , VOSTRO 2521 laptop battery ,
VOSTRO 2421 battery , Inspiron 3521 Series laptop battery , VOSTRO 2421 laptop battery , DELL VOSTRO 2521 , DELL INSPIRON 17R 5721 , Inspiron N3521 Series ,
Inspiron 15R-5537 laptop battery , Latitude 3540 laptop battery , Latitude 3440 ,
Latitude E3440 laptop battery , Latitude 3540 , DELL Inspiron 14 7000 , Latitude 3440 ,
DELL Latitude E3440 , DELL Ins14RD-2628 battery , DELL Inspiron 14RD 4528T batteries ,
Ins14VD-2308 battery , Ins14RD-2628 , Inspiron 15 3542-2293 batteries ,
Inspiron 15R-5537 battery , DELL Ins14VD-2308 laptop battery
Weight, shape and capacity
The vast majority of laptop batteries to square, the market also has a small number of ultra-thin notebook using cylindrical batteries, such as the ASUS A31-K53 10.8V 56Wh 6-cell laptop batteries,Genuine DELL OMF69 14.8V 40Wh 4-cell laptop batteries (I have not seen a triangle).
The weight of the battery varies according to the material and models, to ASUS A31-K53, for example, it is equipped with Lithium Ion Battery, the DELL OMF69 Battery weight of more than 500 grams, I'll mention it hurt. I have seen in the market like a machine with the ASUS A31-K53 is the same OEM manufacturer, the batteries are also common. But others are using a lithium battery, weighs less than 250 grams, so that I envy. Mobile phone battery then compared the results of the same. So, I came to a conclusion, the same size and shape of the
Lithium Ion Battery, double the weight difference.
Capacity of the size of the mark, mainly from the battery to determine the MAH of its Chinese name seems mAh. Milliampere-hour size is directly related to the use of laptop time, I have seen laptop battery lowest 2700MAH, the highest 5200MAH（ASUS A31-K53）. According to common sense says, 5200MAH battery life much longer than 2700MAH, but it can not be generalized. Battery life notebook configurations with a great relationship, for example Well, the HP 6100 notebook with a PIII-M, MOBILITY RADEON graphics cards and many other energy-saving technologies in hardware, with the 4000MAH battery, use of time up to 4 hours or more .
Using the ASUS A31-K53 Battery CPU, although equipped with a 5200MAH battery, use of time can only reach 3 hours. This also indicates that the notebook battery MAH not only related to hardware, energy-saving technology is very important to choose the time needed to multi-reference notebook.
Describes the materials and advantages and disadvantages of laptop batteries. Further explore the use of laptop batteries, let us start from the six subject areas.
why do the battery warranty time so short?
I have also asked this question a number of laptop dealers and manufacturers, their answer is: laptop batteries are easily damaged goods, the frequency of recharging is a constant, with a little time, used hate something, less than half a year reimbursed . Moreover, the DELL OMF69 Battery and other hardware different, there is no room can be repaired, only new ones, and the so-called warranty is actually a replacement. Products for such a long period of warranty (replacement), intangibles on the increased burden on manufacturers, as profit-makers for the purpose, who is not willing to Tam such a big risk. It appears that right laptop battery 1 year manufacturer warranty is much mercy of the user.
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