Answers to common lithium battery questions

Solve common problems of lithium batteries and the corresponding reasons 1. How to use a new lithium battery? Charge or discharge first? How do I charge? First discharge with a small current (usually set to 1-2a), then use 1A current to charge and discharge 2-3 Second, activate the battery. 2. The new battery has just started to use, the voltage is unbalanced, after charging it several times, and then it is normal, what kinds of problems? The important reason is that although the batteries in the personal battery pack are well matched, there are still individual differences in self-discharge. It usually takes more than 3 months for the battery to go from the factory to the user. The single battery will be different during this time, because the self-discharge shows different voltages, and the voltage difference of the battery is large (i.e., unbalanced); because The chargers on the market all have a charge balance function, and the general imbalance will be repaired by charging the charger 3. Under what conditions should the lithium battery be stored? Stored in a cool and dry environment, room temperature 15-35°C, humidity 65% 4. How long can lithium batteries be used? How many cycles can you normally use? What factors affect the lifespan? Air-type lithium batteries can be used for about 100 times. The important factors that affect their service life are: 2. When charging and discharging, the battery The bag should not be overcharged and discharged. The voltage of a single battery should be between 4.2-3.0v. 3. Choose a model with appropriate power to prevent the battery pack from being overloaded. 5. Should the new lithium be activated? Does it matter if it is not activated? When the new battery is to be activated, the new battery is usually more than 3 months old from the factory to the user. Time, the battery will be in a dormant state, it is not suitable for high-intensity discharge immediately, otherwise it will affect the efficiency and life of the battery. 6. What is the reason why the new battery can’t be charged? The battery has zero power, the battery’s internal resistance is large, and the charger mode is wrong. 7. What is the C number of a lithium battery? C is a symbol of battery capacity, and the current symbol is the same as me. C represents the multiplier we often say, that is, the rated capacity of the current based on the battery can work Take 2200mah20C as an example. 20C means that the battery can work normally. The current is 2200mA×20u003d44000mA; the battery is discharged at a current of 44000mA. 8. What is the best storage voltage for lithium? How much power can the battery hold? Single voltage Between 3.70~3.90V, the general factory electricity accounts for 30%~60% 9. How big is the pressure difference between the batteries is normal? If it exceeds the rated pressure difference, what should I do? The processing date of the new battery It is normal for 30mv to be about 0.03V within one month. If the battery is longer than three months, you can use a rated pressure difference of 100mv or more than 0.1V. The battery can be used for 2 to 3 times the low current charging of the smart charger with the balance function. And the discharge cycle (1), can repair the pressure difference of most battery packs. 10. Can airplane model batteries be used on car models? Use them under the same voltage and ratio. However, due to the complex environment of the vehicle model, it is necessary to protect the battery pack without a rubber casing. 11 Why is there such a situation? When using the same aircraft, the LIPO2200mAh20C11.1v battery of the device will last a little longer than the 25C, sometimes Is there violence? It is related to the aircraft debugging effect. The 25C battery discharge platform can theoretically significantly exceed 20C. 12. Can the battery be stored for a long time after it is fully charged? The storage time should not exceed 7 days; the battery is best stored in a separate voltage state of 3.70-3.90 , Which helps to extend battery life. If you do not use it for a long time, please make sure to charge and discharge it every 1-2 months. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Use and maintenance of solar batteries