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26650 Cylindrical Lithium Battery Details

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26650 Cylindrical Lithium Battery Details

There are two basic methods for naming lithium batteries. One method is taken from the positive electrode material of lithium batteries, and the other is taken from the size. These two basic classifications start from the commonality and have general characteristics. In addition, there is a classification derived from a certain performance or application, which starts from the personality and has specific characteristics. 26650 lithium batteries are classified in terms of size, so they have a common shape, and their positive electrode materials, performance and application fields are diversified.


26650, whichever is strictly defined, refers to the size of a single cell: 26mm in diameter and 65mm in height. The size of the appearance of this cylinder will be slightly different from each manufacturer in actual production. The so-called: height, short, fat and thin are different, and they are all called 26650. But this difference will not be very big, the diameter will not exceed 27mm, and the height will not exceed 66mm. When a single cell is put into use with a support system, it is a 26650 lithium battery. If multiple lithium cells or lithium batteries are combined together, it is called a lithium battery pack. More precisely, it is a 26650 lithium battery pack.


Like the 18650 lithium battery, the 26650 lithium battery can also use different cathode materials. According to the current application situation in the market, there are basically 26650 ternary lithium battery and 26650 lithium iron phosphate battery. The difference between the two is also the ternary lithium battery and the The general difference of lithium iron phosphate battery. The advantage of the former lies in its high capacity and voltage platform, while the advantage of the latter lies in its safety and high starting current. Combined with the actual situation that 26650 lithium batteries are mostly used for equipment startup, 26650 lithium iron phosphate batteries are the main application, and this type of battery has obvious advantages in terms of safety and price.


Dimensions of 26650 lithium battery: the maximum can be 26.4*65.8mm, the nominal capacity is 3000mAh, the nominal voltage is 3.2V, the charge and discharge cut-off voltage is 3.65V and 2.5V respectively, the standard charge and discharge current is 1500mAh, the maximum can be charged at 1C and 1.5V C discharge, the working temperature is -10℃~+60℃.


26650 lithium iron phosphate battery has stable charging and discharging performance, high temperature resistance, and the cycle life is three times that of ternary materials. Because it can be charged and discharged with high current, it is very suitable for strong flashlights, miner's lamps, instruments, etc., and this advantage Make it possible to develop to a large scale.

Pub Time : 2023-01-30 17:02:55 >> News list
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