The Power of 18650 Lithium-Ion Batteries

Fairly frequently, consumers are unaware of what is powering their laptop computers. When their machine needs charging, then they plug it in, usually with the supplied battery pack. Even though most users may not believe it important to know, that most battery packs actually comprise several 18650 lithium-ion battery cells. In battery terms, these are among the most powerful cells out there. Many devices utilize lithium-ion (or Li-ion for short), to provide electricity. A number of electrical shavers for instance have a Li-ion battery. In terms of voltage, 3.7 is frequently typical. With a complete charge, they will package up to 4.2 volts! And yes, those cells are also made very little, occasionally in button type, providing power to very small devices!

It must be noted that not ALL Li-ion's are rechargeable. However, for the point of this conversation, we're focusing on those that are.

Specifically however, 18650 lithium-ion batteries tend to be larger both in length and width than standard cells. The amounts, 18650, refer to length and overall circumference. Like many rechargeable cells, their energy is graded in milliamp ere-hours (mAh). These mAh designations are frequently abbreviated such as 2200, 2400, 2600, 2900, and 3100, which all relate to quantity of energy. The greater the number, the more power the battery owns.

Briefly return to overall size... many lithium 18650's will differ ever so slightly in length (measured in millimeters). This is principally due to an extra protection circuit. The circuit helps to stop the battery out of over-discharging, because Li-ion cells can easily become damaged if their electricity is drained below a particular voltage. The protection circuit also prevents the cell from being over-CHARGED also. These cells are very sensitive. They need to be handled carefully, softly, and as explained above, must never run-down too far, or be charged over and over their threshold. They could actually explode if severely mistreated!

18650 lithium-ion batteries also pack a punch, power-wise, when utilized in today's large lumen LED flashlights. In applications such as these, just 1 cell is required. The flashlights that I refer to if using a 18650 mobile, can produce up to hundreds of lumens of lighting! How many you ask? Sometimes, as much as 800 lumens! This is near to the identical quantity of light as a 60w (equal) CFL bulb may produce. These tools may be small enough to fit inside a pocket, quite comfortably. Flashlight makers have made many of the lights, to be only slightly bigger than the 18650 batteries that electricity. 1 word of caution though, flashlights of the sort, when turned on high, can get very hot to maintain. This largely depends upon the components' capacity to dissipate heat, but also depends upon the total size of the light. Many, even if just five inches long, may just get moderately warm to your touch.

In terms of charging these strong cells, even when specifically used in an LED flashlight, specific chargers are available all over the internet. Most will deal with a 18650 battery in addition to a wide variety of other Li-ion sizes.

Therefore, it's easy to see how a lithium 18650 battery, and also Li-ion cells generally, have found there way to the homes (and hands) of numerous contemporary customers.


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