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Author ：Iflowpower – Portable Power Station Supplier
Three-dimensional lithium-ion battery charge and discharge principle 1. The highest charging termination voltage of the three-dimensional lithium-ion battery is 4.2V, which cannot be too charged.
Otherwise, the battery will be scrapped due to the loss of lithium ions in the positive electrode. When charging the ternary lithium-ion battery pack, a dedicated constant current, constant voltage charger, initially charged to a constant voltage charging mode after the voltage is 4.2V, and transferred to a constant voltage charging mode; when constant voltage charging current When you fall to 100mA, you should stop charging.
The charging current (MA) can be 0.1 to 1.5 times battery capacity, such as a lithium-ion battery of 1350mAh, which is controlled between 135mA to 2025mA.
Conventional charging current can be selected from 0.5 times battery capacity, the charging time is about 2 ~ 3 hours. 2.
Discharge of the three-dimensional lithium ion battery due to the original structure of the lithium ion battery pack, the lithium ion does not move to the positive electrode during discharge, and it is not to retain a portion of the lithium ion in the negative electrode to ensure that the lithium ion can be embedded in the channel when charging is next time. Otherwise, the battery life will be shortened. In order to ensure that some lithium ions are left after discharge in the graphite layer, the lowest voltage of discharge is stopped, that is, the lithium ion battery cannot be discharged.
The discharge stop voltage of the single-cell lithium-ion battery is usually 3.0V, the minimum cannot be less than 2.5V.
Battery discharge time is related to battery capacity, discharge current size. Lithium ion battery discharge time (hour) = battery capacity / discharge current, and lithium ion battery discharge current (mA) should not exceed 3 times more battery capacity, for example: 1000 mAh lithium ion battery, then discharge current should be strictly controlled within 3A Otherwise, the battery will be damaged. The three-yuan lithium-ion battery pack charging method uses a supporting charger, after the battery is filled, it can be charged for an hour.
Discharge to 20 ℅ left, recharge, over-discharge can damage the battery. Try to fill once when charging. .
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