Can the mobile phone charger charge the 18650 battery? the answer is negative. The normal working voltage of 18650 lithium battery is 3.7V, and the fully charged state is about 4.2V, which is consistent with the voltage of polymer battery. At present, most mobile phone batteries are polymer batteries, so some people think that mobile phone chargers can give 3.7V. vPolymer battery charging can charge 18650 lithium battery with the same voltage! However, they overlooked an important issue that is when charging the mobile phone battery through the protection board inside the battery. If the 18650 battery is charged directly without the protection board, the 5.1v voltage may break down the battery and cause a short circuit to make the battery useless. So can the mobile phone universal charger charge the 18650 lithium battery? The answer is yes. But there is a problem: because universal charging is designed for mobile phone batteries, the current is generally small, and the capacity of 18650 batteries or battery pack
s is high, so the charging time may increase several times; and the quality of universal charging on the market is uneven. If the charge cut-off voltage is not well controlled, continuing to charge while the battery is fully charged may cause the battery to overcharge and damage the battery. The 18650 battery can be charged only after the voltage is reduced. The output voltage of the mobile phone charger is about 5.1V, and the protection board of the mobile phone battery can be used directly. The mobile phone charger should be used to charge the battery of the mobile phone, it is best to be reduced voltage, direct charging may cause noise. However, the indicator light on the lithium battery charger does not work normally due to some special reasons, which will affect the use of the device. You need to test the voltage of your battery with your voltmeter and install a protection board for the 18650 battery. Basically, the device can be fully charged, and the charging time may exceed 10 hours when the current is insufficient. u003cpu003eu003c/pu003e Because the 18650 has a very good stable performance during work, its battery life theory is 1000 cycles of charging. The working principle of a lithium ion battery refers to its charge and discharge principle. The capacity is generally between 1200mah~3600mah, and the capacity is large enough to be widely used in various electronic fields. Commonly used in high-end strong light flashlights, portable power supplies, wireless data transmitters, with long service life, and also used in electric heating warm clothes, shoes, portable instruments and meters, the cycle life can reach more than 500 times in normal use, lighting equipment, printers, Industrial equipment, medical equipment, etc. will use its advantages. It is a common phenomenon for battery chargers to generate heat, due to the large capacity per unit density and many charging times. Now, if the temperature of your battery itself is relatively low, it means that the charger is no longer charging the battery. Generally, the battery capacity is only about 800. Brand-guaranteed 18650 lithium battery pack
is more than twice the ordinary battery, short circuit protection, overcurrent protection, overvoltage protection, battery reverse connection protection functions, etc. 18650 lithium battery pack with high safety performance, the charger has four protections, no explosion, no burning; non-toxic, non-polluting, with trademark certification; 18650 model refers to the diameter and height of the battery, various safety performance in one go, the number of cycles More than 500 times. Whether the battery has a memory effect and the size of the memory effect is related to its material, but not directly related to the model. The 18650 battery also has good high temperature resistance, high voltage, no memory effect, low internal resistance, and a wide range of applications. Conclusion: The mobile phone charger is not exactly the same as the special charger for 18650 lithium battery pack. Once an accident occurs, the 18650 battery is more dangerous than the mobile phone battery. Therefore, we recommend buying a regular 18650 lithium battery pack charger instead of a simple universal dual charge. u003c/pu003e
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