What are the basic requirements of lithium batteries for chargers?

What are the requirements for chargers for lithium-ion batteries? In order to prevent overcharging of lithium-ion batteries, lithium-ion batteries must be designed with a protection circuit. The lithium-ion battery charger JC is suitable for single-cell and 2~4-cell battery packs. The basic requirements for lithium-ion battery chargers are as follows: ①Fully charge when charging, and the accuracy of the termination charging voltage is required to be about 1%; ②There is no current during charging and discharging, and short-circuit protection needs to be designed; ③Prohibited when the termination discharge voltage is reached Continue to discharge, and the accuracy of the termination discharge voltage is controlled at about 3%; ④The deeply discharged battery (not lower than the termination discharge voltage) is precharged with a small current before charging; ⑤In order to ensure the stable and reliable operation of the battery, prevent transient voltage changes In order to prevent instability caused by transient interference, the internal delay circuit should be designed with overcharge, overdischarge, and overcurrent protection; ⑥self-consumption saving (the charger should be energized when charging and discharging ). The power consumption of a single-cell battery charger is generally less than 10uA, and the multi-cell battery pack is generally about 20uA; when the discharge is terminated, it is in the off state, and generally consumes less than 2uA; how to charge a lithium-ion battery correctly? The suitable temperature for charging the lithium ion battery is 0~45℃. If charging at 0.5C, the 1C temperature rise can be set to 90℃. At this time, the charger operates at an ambient temperature of 35℃, and it is best to charge the lithium ion battery. Therefore, the current for charging at a rate of 2 hours is the best. Lithium-ion battery is easy to activate, as long as 35 normal charge and discharge cycles can activate the battery and restore normal capacity. The safe working voltage range of lithium battery is 2.8~4.2V, lower or higher than this voltage range, the lithium ions in the battery become very unstable, and even cause accidents. In order to ensure that the battery is in a safe range, a special charger is required. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: How to recycle used lithium iron phosphate battery packs?