What are the differences in charging methods between lithium batteries and lead-acid batteries?

　　There are significant differences in the charging methods between lithium batteries and lead-acid batteries, mainly reflected in charging current, charging voltage, and charging time.

　　Lithium battery charging method:

　　Constant current charging (CC): First, charge the battery with a constant current until the battery voltage reaches a certain threshold (such as 4.2V for lithium-ion batteries).

　　Constant voltage charging (CV): When the battery voltage reaches the threshold, it switches to constant voltage charging, and the current gradually decreases until charging is complete.

　　Pre charging: For certain types of lithium batteries, there may be a pre charging phase to prevent overcharging or overdischarging of the battery.

　　Lead acid battery charging method:

　　Constant current charging: Charging the battery with a constant current until the battery voltage reaches a certain threshold (such as 2.4V/cell).

　　Float charging: When the battery voltage reaches the threshold, it switches to float charging mode and continues to charge with a smaller current, maintaining the battery in a fully charged state.

　　Balanced charging: Regularly perform balanced charging to eliminate inconsistencies among individual cells in the battery pack.

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