Misconceptions about lithium battery discharge

Misconceptions about lithium battery discharge shared by 18650  lithium ion battery supplier.

"The more you discharge a lithium battery, the more it wears away," said Tom Hartley, a professor of electrical engineering at eklund university who helped NASA study battery life extension. "the more you charge a battery, the more it wears away. Lithium batteries are in the middle of the battery, so the battery life is long.

First of all, too high and too low charge state has an adverse impact on the life of 18650  rechargeable lithium battery, while the number of charge and discharge cycle is secondary. In fact, most sales of electrical appliances or batteries on the number of times can be repeatedly charged, discharge 80 percent as a benchmark test. Experiments show that, for some laptop lithium batteries, often let the battery voltage exceed the standard voltage of 0.1 volts, that is, from 4.1 volts to 4.2 volts, then the battery life will be halved, and increase by 0.1 volts, the life reduced to one third of the original; A long period of low or no charge increases the resistance to the movement of electrons inside the battery, resulting in a smaller capacity. NASA has set the battery consumption on its Hubble space telescope at 10 percent of its capacity to ensure it can be recharged and discharged 100,000 times without having to be updated.

Second, temperature has a significant impact on 18650 Long life lithium ion battery life (which can be ignored in mobile phones and other small electronic devices). An environment below freezing can cause lithium-ion batteries to burn out as soon as the electronics are turned on, while overheating can reduce their capacity. Therefore, if the laptop USES an external power source for a long time and does not take off the battery, the battery will be in the high heat of the notebook discharge for a long time. What's more, the battery will be in the state of 100 percent power for a long time, and will soon be scrapped.

From the above, we can summarize the lithium battery capacity and life of the precautions.

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