-(2)Balanced charging method and precautions for lithium battery pack protection board

(2)Balanced charging method and precautions for lithium battery pack protection board
author:enerbyte source:本站 click123 Release date: 2023-12-26 11:46:04
abstract:
3. Timely, orderly, and individually test and evenly charge the individual batteries in the lithium-ion battery pack. When charging a lithium-ion battery pack, it can ensure that each lithium-ion battery in the battery pack will not overcharge or discharge, thus ensuring that each battery in the lit...

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3. Timely, orderly, and individually test and evenly charge the individual batteries in the lithium-ion battery pack. When charging a lithium-ion battery pack, it can ensure that each lithium-ion battery in the battery pack will not overcharge or discharge, thus ensuring that each battery in the lithium-ion battery pack is in normal working condition.

4. Using the principle of time sharing, by controlling and switching switch components, additional current flows into batteries with relatively low voltage to achieve balanced charging. This method is relatively efficient, but the control is complex.

5. Take the voltage parameters of each lithium battery as the balancing object to restore consistent voltage for each battery. During balanced charging, the capacitor is alternately connected to two adjacent batteries through a control switch, receiving high voltage battery charging and then discharging to the low voltage battery until the voltage of the two batteries becomes consistent. This balancing method effectively solves the problem of voltage imbalance in lithium battery packs, but it is important for applications with fewer batteries.

6. The entire system is controlled by a microcontroller, and each individual battery has an independent set of modules. The module manages the charging of each individual battery according to the set program, and automatically disconnects after charging is completed. This method is relatively simple, but when there are many individual batteries, it will greatly increase the cost and is not conducive to reducing the system volume.

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