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1. Correct storage and usage tips for 18650 lithium-ion batteries: The storage temperature range of 18650 is 0 ℃+60 ℃, and the working temperature is -20 ℃ -50 ℃. The optimal working temperature is 20 ℃ -40 ℃, and 60 ℃ is the temperature that ensures battery life. High temperatures can shorten battery life, and temperatures above 100 ℃ are dangerous. Generally, 130 ℃ can cause combustion or explosion.

2. Correct charging and usage tips for 18650 lithium-ion batteries: The charging temperature of 18650 lithium-ion batteries is between 0 ℃ and+45 ℃, and the safe working voltage range of 18650 lithium-ion batteries is 2.8~4.2V. Lithium ions in batteries below or above this voltage range become very unstable, and even cause accidents. To ensure that the battery is within a safe range, specialized chargers are required, which will automatically adjust the charging method based on the current state of the battery.

3. Correct discharge and usage tips for 18650 lithium-ion batteries: These batteries produced by normal lithium-ion battery manufacturers have battery specifications and must be strictly executed according to the discharge standards on the battery specifications. The correct discharge for ordinary 18650 lithium-ion batteries is 0.2C, and the discharge for special markings is 3C. The instantaneous discharge may reach around 8C3ms. If the charging and discharging are used according to the content on the battery documents, There will be basically no safety issues. If you do not have this information, you can request it from the battery manufacturer.

4. The correct assembly and usage method for 18650 lithium-ion batteries in series and parallel: 18650 lithium-ion batteries are divided into positive and negative poles. If they are connected in parallel, the positive pole is connected to the positive pole, and the negative pole is connected to the negative pole. If 18650 is used in series, the positive pole of battery A should be connected to the negative pole of battery B for series connection. When 18650 lithium-ion batteries are connected in series, the voltage will double and the capacity will not change, while when 18650 is assembled in parallel, the battery capacity will double and increase, The voltage remains unchanged, and any 18650 lithium-ion battery series and parallel design product requires the addition of a battery circuit board, which is safe for the design and more reassuring for consumers to use.

18650 lithium-ion battery pack

5. Instructions for Proper Recycling of 18650 Lithium Ion Batteries: You may hear this statement, such as a cycle life of 500 or 1000 times. However, since the number of charges and discharges is limited, it is recommended to use up the battery as much as possible and recharge it again, which is beneficial for the battery's cycle life. The data related to cycle life is listed below:

a. Cycle life (10% DOD)>1000 cycles.

b. Cycle life (100% DOD)>500 cycles.

Among them, DOD is the English abbreviation for discharge depth, indicating that the charging frequency and discharge depth of lithium-ion batteries are related. The cycle life at 10% DOD is much longer than that at 100% DOD. Of course, if the actual total charging capacity is converted to 10% * 1000=100100% * 200=200, the complete charging and discharging of the latter is still better.

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