·The 18 in front of 18650 refers to the diameter of the circular bottom of the battery, which can be measured with a ruler to see if it is exactly 18 millimeters.
·65 refers to the length of this battery, which can be measured and will be exactly 65 millimeters.
·The last 0 represents that it is cylindrical.
There are other data that can be viewed together.
·9800 milliwatt hours is its capacity, and if converted to milliampere hours, it is around 2600 milliampere hours.
·Let's take a look at 3.7 here, which means its standard voltage.
·In addition, there are two voltage indicators. The saturated charging voltage is 4.2 volts, indicating that it is 4.2 volts after being fully charged.
·The 2.75 volts here refers to the reserved voltage for use. When using it, be sure not to exhaust the battery, as it may not be able to charge again.