Lithium battery protection board has no charge and discharge protection

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Lithium battery protection board has no charge and discharge protection [Copy link]

If you have come into contact with lithium battery protection boards, let's discuss why the lithium battery protection board has no charge and discharge protection. I hope to bring you some useful help. What are the situations in which the lithium battery protection board has no charge and discharge protection? First check the ternary parameters: the normal ones are 2.8~4.25, and the iron lithium ones are 2.5~3.65V 1. It may be overcharge, over discharge, over current, short circuit, over temperature. 2. Use a multimeter to check whether the charging and discharging MOS tube is turned on. 3. If the lithium battery protection board is equipped with an LED, the LED will flash for 0.5 seconds to alarm if charging and discharging cannot occur. 4. If the lithium battery protection board is equipped with a host computer, you can connect to the host computer to view the protection status. 5. The lithium battery protection board is equipped with a weak point switch. Please check whether the weak point switch is turned on. If these situations occur, you can check the following methods for repair: 1. Overcharge, over-discharge, over-current, short circuit, insert the charger to recover 2. Over-current disconnect the load to recover The above is shared by Hercules protection board. If you encounter more detailed problems, please check 《www.dlsbms.com》.