Quite frequently, customers are unaware of what's powering their laptop computers. When their machine requires charging, then they plug it in, typically with the supplied battery pack. Even though most users may not consider it important to know, that many battery packs actually contain several 18650 lithium-ion battery cells. In battery terms, these are among the most powerful cells out there. Many apparatus utilize lithium (or Li-ion for short), to provide electricity. Numerous electrical shavers for instance have a Li-ion battery. In terms of voltage, 3.7 is frequently typical. With a full charge, they will package up to 4.2 volts! And yes, those cells can also be made very small, occasionally in button type, providing power to very tiny devices!
It should be noted that not ALL Li-ion's are rechargeable. However, for the purpose of this discussion, we are focusing on those that are.
Specifically nevertheless, 18650 lithium-ion batteries are larger both in width and length than standard cells. The amounts, 18650, refer to length and overall circumference. Like most rechargeable cells, their power is rated in milliamp ere-hours (mAh). All these mAh designations are frequently abbreviated such as 2200, 2400, 2600, 2900, and 3100, which relate to amount of energy. The greater the number, the more power the battery possesses.
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