lithium cell model |
Lithium cells come in a wide variety of models, each with its own specific designation.
Common Shapes and Sizes
Cylindrical Cells (like AA or AAA batteries, but bigger):
- 18650: 18mm in diameter, 65mm long. Common in laptops and flashlights.
- 21700: 21mm in diameter, 70mm long. Used in electric cars and power tools.
- 26650 & 32650: Even bigger cylinders, for things that need a lot of power.
Pouch Cells (flat and flexible):
- Fit well in slim devices like smartphones and tablets.
Prismatic Cells (boxy):
- Rectangular blocks are often used in electric cars and large battery packs.
What those extra numbers and letters mean
- They give you more details about the cell's performance, like how much energy it can store and how quickly it can release. For example, in "18650-30Q", the "30Q" tells you about its discharge rate.
Finding the right battery
- Always check the manufacturer's information for the most accurate details about a specific lithium cell model.
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