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The correct charging method for lithium iron phosphate batteries

1. Constant current charging means that the current is constant, and the voltage of lithium iron phosphate batteries gradually increases with the charging process. According to the above specifications, the battery is generally charged at a current of 0.2C. When the battery voltage approaches the full charge voltage of 4.2V, constant current charging is changed to constant voltage charging. This process takes about five hours.

2. Constant voltage charging means that the voltage is constant, and the current gradually decreases as the saturation degree of the battery cell deepens. According to the specifications, when the current decreases to 0.01C or 10mA, it is considered that the charging is terminated. After adding up this process and constant current charging time, the total charging time should not exceed eight hours.

3. The best temperature for charging iron phosphate lithium-ion batteries is within 0-45 ℃, which is more conducive to the activation of chemical properties inside the lithium-ion battery, resulting in higher charging efficiency.

4. It is best to use a specialized charger provided by the manufacturer for the charger of the lithium iron phosphate battery pack. Do not use other models or chargers with incompatible charging voltage at will.

5. After the charging of the lithium iron phosphate battery is completed, try to be cautious and leave it on the charger for more than 10 hours. If it is not used for a long time, it is necessary to separate the phone and the lithium-ion battery.

6. The charger can only protect the voltage at the end of the entire battery pack. The balanced charging board ensures that each individual cell is overcharged and overflowed, and cannot stop the entire lithium iron phosphate battery pack from charging due to overflow of one cell.

7. When a lithium iron phosphate battery is obtained and intended for formal use, it needs to be charged because the battery cannot be stored at full capacity, which can cause significant capacity loss.

Summary: The charging method of lithium iron phosphate batteries is different from that of general lithium-ion batteries. In recent years, portable electronic products have been developing towards lightweight and ultra miniaturization, and portable devices have begun to use lithium iron phosphate batteries with excellent safety performance. When using lithium iron phosphate batteries, attention should be paid to waterproofing and dust prevention, so the storage area should not have water, which will affect the performance and service life of the battery.

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