power bank pcb battery management system bms

What is a PCB Protection Board?

The ultra-small PCB area allows BP20200T to be perfectly integrated into battery packs with limited space. Coupled with the high-reliability design of the circuit, it can completely replace the thermal cumulative disconnection self-recovery insurance (POLYSWITCH) commonly used in the current battery pack. And because the short-Circuit Protection is instantaneous, there is no problem of burning out the connection that may be encountered when using POLYSWITCH.
, The protection board is divided into a single battery protection PCBA board and a multi-battery protection board. Mobile phone batteries, MP3, MP4 and other digital batteries generally use a single cell to supply power, so that only one cell is required to protect. Cell protection board; when encountering products that require the use of large-capacity batteries or High frequency board high-voltage batteries, the cells need to be used in series or in parallel (series can increase the voltage and increase the internal resistance; parallel capacity Plus, increase the battery capacity, the internal resistance remains unchanged). This requires the use of multiple battery protection PCBA boards. This High Quality Prototype PCB Fabrication protection board does not protect the whole after series or parallel connection, but needs to protect each single battery, that is, multi-battery protection The board can protect each battery, so as to ensure the service life of the battery, and will not cause damage to the battery itself due to overcharging and overdischarging.

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