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Flashlights

18650 lithium-ion cell

18650 电池

At a glance

Short name
18650
Type
Part
Written by: FZEDC· Hong Kong

A rechargeable lithium-ion cell, 18 mm wide and 65 mm long.

一种可充电锂离子电池，直径 18 毫米、长 65 毫米。

18650 is the size code of a cylindrical rechargeable lithium-ion cell about 18 mm in diameter and 65 mm long. It is widely used in high-output flashlights.

The size code comes from its dimensions; cells of the same size can differ in capacity, current rating and whether they have built-in protection.

18650 是一种圆柱形可充电锂离子电池的尺寸代码，直径约 18 毫米、长约 65 毫米，广泛用于高亮度手电筒。

尺寸代码来自它的尺寸；同样尺寸的电池在容量、放电电流和是否内置保护板上可能不同。

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