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

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Model and specification of cylindrical lithium battery

source:Industry News release time:2022-12-05 Hits:     Popular:AG11 battery

  9V USB 1.5V 1000mWh

  The model designation of cylindrical lithium batteries consists of three letters and five digits. The rules for cylindrical and square batteries specified in IEC61960 are as follows:

  Cylindrical lithium battery, 3 letters followed by 5 numbers. Three letters, I means there is built-in lithium ion, L means lithium metal or lithium alloy electrode. The second letter represents the positive material, C represents drill, N represents nickel, M represents manganese, and V represents vanadium. The third letter, R, represents a cylinder.

  Five numbers, the first two numbers refer to the diameter, and the last three numbers refer to the height, all in mm.

  For example, ICR18650 is a universal 18650 cylindrical battery with a diameter of 18mm and a height of 65mm.

  3.6V means the nominal voltage is 3.6V.

  C is the discharge rate when the battery is discharged, in mAh. Generally speaking, it is the discharge size or speed in unit time. For example, when the battery capacity used is discharged for 1h, it is called 1C discharge; After 5h discharge, it is called 0.2C discharge.


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