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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
Model: 18650
Capacity: 2600mAh
Discharge rate: Continuous 3C, Instantaneous 5C
Pole ear: Monopole ear with PTC
Internal resistance: <60mΩ
Minimum capacity: 2550mAh
Discharge cut-off voltage: 3.6V
Cell weight: 45g
Application:
Ebike, scooters, solar panel, power storage, flashlight, power tools, medical equipment, motorcycle, digital products etc.
A brief description of the disadvantages of 18650 lithium-ion battery technology
As the most mature type of liquid lithium-ion battery in the world, 18650 cylindrical lithium batteries are widely used in mobile terminal equipment, especially tablet computers and smart phones, either in the form of a single cell or in the form of a battery pack; however, the structure of the 18650 battery The characteristics make it inevitable that there are certain deficiencies
As the most mature type of liquid lithium-ion battery in the world, 18650 cylindrical lithium-ion batteries are widely used in mobile terminal equipment, especially tablet computers and smartphones, either in the form of a single cell or in the form of a battery pack; however, the structure of the 18650 battery The characteristics make it inevitable that there are certain defects. Judging from the reported explosion accidents of the above-mentioned equipment, it is all caused by the short circuit of the 18650 lithium-ion battery (group): if it is used improperly or because of the battery cell design itself The problem is that the internal pressure of the lithium-ion battery (pack) will be too large, and in the case of pressure leakage, it will cause pressure on the hard shell (steel shell or aluminum shell) of the battery, causing the shell to explode.
The current mobile power products use lithium-ion batteries as energy storage units. There are two technical routes for this lithium-ion battery. One is liquid lithium-ion battery cells. Because the 18650 model technology is the most mature, 18650 lithium-ion batteries are used as the core. represent. The so-called 18650 lithium-ion battery refers to its specification model with a diameter of 18mm and a height of 65mm; the other is a polymer lithium-ion battery, which is generally designed as a square lithium-ion battery. Polymer lithium-ion batteries are also used as power drives for many devices because they can be shaped arbitrarily. If they are used in mobile power supplies, consumers' demands for miniaturization and thinning of mobile power supplies can be realized. However, because polymer lithium-ion batteries are made of different materials than liquid lithium-ion batteries, the factory cost is relatively high.