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What are the models and specifications of batteries? It's hard to say exactly how many types there are, as each battery manufacturer has their own model and specifications, as well as some customized battery specifications. Below is an introduction to the naming of lithium battery models and specifications, as well as the meaning of the letters and numbers on the battery, so that everyone can have a better understanding of battery model specifications.
What are the models and specifications of lithium-ion battery cells?
What are the models and specifications of batteries? It's hard to say exactly how many types there are, as each battery manufacturer has their own model and specifications, as well as some customized battery specifications. Below is an introduction to the naming of lithium battery models and specifications, as well as the meaning of the letters and numbers on the battery, so that everyone can have a better understanding of battery model specifications.
Model and specifications of cylindrical lithium batteries
The model name of cylindrical lithium batteries consists of three letters and five digits. According to IEC61960, the rules for cylindrical and square batteries are as follows:
A cylindrical lithium battery with 3 letters followed by 5 digits. Three letters, I represents built-in lithium ions, and L represents lithium metal or lithium alloy electrodes. The second letter represents the positive electrode material, C represents diamond, N represents nickel, M represents manganese, and V represents vanadium. The third letter is R, indicating a cylindrical shape.
5 digits, the first 2 digits represent diameter, and the last 3 digits represent height, all in millimeters.
For example, ICR18650 is a general-purpose 18650 cylindrical battery with a diameter of 18mm and a height of 65mm, where 0 represents a circular shape.
3.6V refers to a nominal voltage of 3.6V.
C represents the discharge rate of the battery during discharge, in mAh. Simply put, it refers to the size or speed of discharge per unit time. For example, if the battery capacity used is discharged after 1 hour, it is called 1C discharge; After 5 hours of discharge, it is called 0.2C discharge.
Table of cylindrical lithium battery models:
Model | Nominal Voltage(V) | Nominal Capacity(mAh) | Diameter(mm) | Height(mm) | Application Area |
14500 | 3.7 | 800 | 14 | 50 | Instrumentatio nconsumer electronics |
18650 | 3.7 | 2000-3500 | 18±0.2 | 65±2.0 | Special equipmen tmedical equipment robots |
18500 | 3.6 | 800-1500 | 18±0.2 | 18±0.2 | Security communicatio nrail transit |
26650 | 3.2 | 3200~3500 | 26.2 | 65.6 | Power/energy storage fiel drobots emergency backup |
21700 | 3.6 | 3000-4800 | 21 | 70 | Digital device spower tools |
32650(32700) | 3.2 | 4500-6500 | 32.4±0.3 | 70.5±0.2 | Instrumentatio nbackup power supply special equipment field |
Model and specifications of square lithium batteries
The model name of a square battery: 6 numbers represent the thickness, width, and height of the battery, in millimeters. When any of the three dimensions is greater than or equal to 100mm, a diagonal line should be added between the dimensions; If any of the three dimensions is less than 1mm, add the letter "t" before this dimension, which is measured in tenths of a millimeter.
ICP103450 represents a square secondary lithium-ion battery, with a positive electrode material of diamond, with a thickness of approximately 10mm, a width of approximately 34mm, and a height of approximately 50mm.
ICPO8/34/150 represents a square secondary lithium-ion battery, with a positive electrode material of diamond, a thickness of approximately 8mm, a width of approximately 34mm, and a height of approximately 150mm.
ICPt73448 represents a square secondary lithium-ion battery, with a positive electrode material of diamond, a thickness of approximately 0.7mm, a width of approximately 34mm, and a height of approximately 48mm.
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