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DONG GUAN FL BATTERY CO.,LTD
Contact:Miss  Hu 
Tel:18926805906
Tel:0769-28680655 
Fax:0769-28680619
Web: www.folobattery.com
Web: www.flbattery.en.alibaba.com

Address:  A1801 Zhongqiao Building, Qifeng Road, Guancheng Dongguan 

News

18650 what's the biggest difference between a lithium battery and a polymer lithium battery?

 The first 18650 lithium battery shape is cylindrical, internal liquid, because the battery design and the characteristics of raw materials, power type lithium battery 18650 suitable for large current discharge, so almost on the market a lot of big power products with 18650 lithium batteries, however, especially the ultra-thin notebook tablet computer, because the required appearance to be thin, not so the 18650 to use lithium batteries and lithium polymer batteries, but high power digital camera is different, because the flash to charge and discharge voltage and instantaneous large current, we can only use 18650 power lithium battery or other types of power battery, just a smaller volume, such as the 18500 power lithium battery is widely used in digital camera products; with the 18650 power lithium battery with high energy density and high discharge current advantages, so now the electric car is 18650 power lithium The battery is designed

 
Polymer lithium battery has small volume, large capacity, the disadvantage is life shorter than the 18650, because of the use of different materials and design, some internal liquid, some is dry or colloid, cylindrical battery and high current discharge performance is not as good as 18650, so the need for large capacity small volume of electric equipment, usually the use of polymer lithium battery, the most typical is the performance of mobile phone, tablet computer and other equipment.
In general, 18650 of the battery capacity can be done around 2200mAh, so that the energy density is about 500Wh/L, and the energy density of polymer batteries can be close to 600Wh/L at this stage.
 
But polymer batteries also have their drawbacks. The main cost is higher, because it can be designed according to customer needs, the cost of R & D is included. Moreover, the shape is changeable and various, which results in various nonstandard jigs and fixtures in the manufacturing process, and correspondingly increases the cost. The versatility of the polymer battery itself, which is also the result of flexible design, is often designed to re design for customers in order to make the difference between 1mm.
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