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1. Birth
In fact, 18650 is a standard battery model customized in order to save
corresponding production costs for lithium ion batteries. It is specifically
explained that Sony is the originator of lithium ion batteries.
Second, use
18650 battery life is generally 1,000 charging for recycling. Because the
battery unit density is more capacity, the general purpose is as a laptop
battery. And because of the high stability of the 18650 lithium battery, it is
also widely used in major electronics fields, such as high -end strong light
flashlights, portable power supply, wireless data transmission, electric heating
clothes, shoes, portable instruments, portable lighting equipment, portable
printer, portable printer , Industrial Instruments, Medical Instruments,
etc.
3. Difference
18650 is only a size model of the battery. What it means is actually 18 mm
in diameter and 65 mm long, and 0 means cylindrical battery. Generally, 18650
lithium batteries are more common in industry.
Fourth, general configuration
The general configuration of the 18650 lithium battery is as follows:
Single -nominal voltage is generally: 3.6V or 3.7V
The charging voltage is generally: 4.20V (cobaltate is 4.2V-4.3V)
The minimum discharge termination voltage is generally: 2.75V. Below this
voltage can easily cause the battery capacity to be severely decreased or even
scrapped
Maximum charging termination voltage: 4.20V
Diameter: 18 ± 0.2mm
Height: 65 ± 2.0mm
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