With the development of science and technology, lithium battery">lithium battery market is becoming more and more widespread, in order not to affect the service life of lithium batteries, we need to understand some of the precautions on the use of lithium batteries, to avoid the wrong way to use the lithium battery to reduce the service life. The next lithium battery technical training staff to briefly explain the factors that affect the service life of lithium batteries.
1, the temperature, the battery can not be used or stored in an overheated environment (35 ℃);
2, choose the right power model, to avoid the battery pack in the case of overload reluctant use.
3、New battery, what is the reason for not charging? Cell zero power, large internal resistance of the battery, the charger mode is not correct.
4, charging and discharging, battery pack charging and discharging can not be excessive, must ensure that the single cell voltage between 4.2-3.0V, high current work back up voltage should be guaranteed at 3.4V or more;
5、What is the best preservation voltage of lithium battery? What is the general factory battery charge? The single voltage is between 3.70-3.90V, generally the factory will carry 30-60% of the power.
6、What does the C number of lithium battery represent? C" is the symbol of battery capacity, and the symbol of current is "I" is the same meaning, "C number" represents the multiplier we often say, that is, the battery can work on the basis of the nominal capacity of the current size of the abbreviation, to 2200mAh20C, for example, 20C identifies the battery can work properly with the current 2200mA × 20 = 44000mA; 20C discharge that is 44000mA The current of 20C is 44000mA to discharge the battery.
7、Does the new lithium battery need to be activated? Will it be affected if it is not activated? No need to activate, the new battery from the factory to the hands of users, there will generally be more than 3 months, the battery will be in a dormant state, it is not suitable to immediately do high-intensity discharge, otherwise it should affect the efficiency and life of the battery.
8、Can the battery be stored for a long time after it is fully charged? Full charge storage time can not exceed 7 days; battery is best stored in a single 3.70-3.90 voltage state, which is conducive to extending battery life, if not used for a long time, to ensure that every 1-2 months charge and discharge.
9、How much pressure difference between the single cell of the battery pack is considered normal? What should I do if the rated pressure difference is exceeded? New batteries with factory date within 1 month are generally normal at 30mV or 0.03V, and batteries placed for a long time over 3 months can be used at 100mV or 0.1V. Batteries exceeding the rated differential pressure can be charged and discharged for 2-3 times with an intelligent charger with balance function (1A), which can repair most of the batteries with abnormal differential pressure.
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