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The Energy 18650 Lithium-Ion Batteries
Quite frequently, consumers are unaware of what's powering their laptop computers. If their
machine needs charging, then they plug it in, typically using the supplied battery pack. Even
though most users may not consider it important to understand, that many battery packs really
comprise several 18650 lithium-ion battery cells. In battery conditions, these are among the most
effective cells out there. Many devices utilize lithium-ion (or Li-ion for short), to provide
electricity. Numerous electric shavers for instance contain a Li-ion battery. Concerning voltage,
3.7 is frequently typical. With a complete charge, they'll package up to 4.2 volts! And yes, these
cells are also made very small, occasionally in button form, providing power to very small
It must be noted that not ALL Li-ion's are rechargeable. However, for the point of this
discussion, we're focusing on the ones that are.
Specifically nevertheless, 18650 lithium ion batteries are larger both in width and length than
ordinary cells. The amounts, 18650, refer to span and overall circumference. Like most
rechargeable cells, their energy is rated in milliamp ere-hours (mAh). These mAh designations
are frequently abbreviated such as 2200, 2400, 2600, 2900, and 3100, which all relate to amount
of electricity. The greater the number, the more energy the battery owns.
Briefly return to overall dimensions... many lithium ion 18650's will fluctuate so slightly in
length (measured in millimeters). This is mainly because of an added protection circuit. The
circuit helps to prevent the battery out of over-discharging, since Li-ion cells may easily become
damaged if their power is drained under a particular voltage. The protection circuit also prevents
the cell from being over-CHARGED as well. These cells are extremely sensitive. They must be
dealt with carefully, gently, and as described above, should never run-down too much, or be
charged over and above their threshold. They can 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 like these, just one cell is demanded. The flashlights that I refer
to if using a 18650 mobile, can produce up to countless lumens of light! How many you ask? In
some cases, as much as 800 lumens! This is close to the identical amount of light as a 60w
(equivalent) CFL bulb may create. These tools may be small enough to fit inside a pocket, rather
comfortably. Flashlight makers have designed many of their lights, to be just slightly bigger
compared to 18650 batteries that power it. One word of warning though, flashlights of this sort,
when turned on high, can get very hot to maintain. This largely depends on the components'
capacity to dissipate heat, but also is based upon the total size of the light. Many, even if only
five inches long, may only get moderately warm to your touch.
In terms of charging these powerful cells, when specifically used in an LED flashlight, specific
chargers can be found all over the internet. Most will deal with a 18650 battery in addition to a
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 into the houses (and hands) of numerous modern consumers.
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