18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
Sino Technology Manufacturer Group co.,ltd Home  >  product  >  polymer lithium battery
polymer lithium battery

Primary battery

Rechargeable Battery

LR03 alkaline battery

Sino Technology Manufacturer Group co.,ltd
Sino Technology Manufacturer Group co.,ltd

18650 lithium battery cells
18650 lithium battery cells
18650 lithium battery cells
18650 lithium battery cells
18650 lithium battery cells
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18650 lithium battery cells

18650 lithium battery cells

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.


Product description

Related Products

  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.

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