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Detail Information

PCB Type: Rigid Board Layer: Multi Layer
Base Material: FR-4 Solder Mask: Green
Silk Screen: White Surface Treatment: Lead-free HASL
Model Number: Bms 1s 2s 10a 3s 4s 5s 25a Type: Power Bank PCBA
Copper Thickness: 1 Oz
High Light:

Multi layer circuit board module


FR-4 circuit board module


HASL pcb assembly board

Product Description


1s 2s 10a 3s 4s 5s 25a Bms 18650 Li-ion Lipo Lithium Battery Protection Circuit Board Module Pcb Pcm Lipo Bms Charger


Description Capability

Model Number

Bms 1s 2s 10a 3s 4s 5s 25a


power bank PCBA

Supplier Type



Professional engineer,good after service,competitive price


The BMS (Battery Management System) you described is a protection circuit board module designed specifically for 1S, 2S, 3S, 4S, and 5S lithium-ion (Li-ion) or lithium polymer (LiPo) battery packs consisting of 18650 cells.


Here's a description of the key aspects of this BMS:


Lithium Battery Protection: The BMS provides various protection mechanisms to ensure the safe and reliable operation of the lithium battery pack. It includes overcharge protection, over-discharge protection, short circuit protection, over current protection, and over-temperature protection. These protection features help prevent damage to the battery cells, maintain their longevity, and ensure safe operating conditions.


Voltage and Cell Configuration: The BMS is available in different cell configurations and current ratings. It supports 1S, 2S, 3S, 4S, or 5S battery packs, indicating the number of series-connected cells in the pack. The BMS is designed to handle a current rating of 10A for 1S and 2S configurations and 25A for 3S, 4S, and 5S configurations.


PCB Design and Assembly: The BMS is implemented on a printed circuit board (PCB) designed to meet the specific requirements of the battery pack. The PCB layout considers appropriate trace widths, component placement, and copper layers to handle the voltage and current levels involved. The BMS components, such as MOSFETs, resistors, capacitors, and micro-controllers, are assembled and soldered onto the PCB to ensure reliable operation.


Protection Circuitry: The BMS incorporates circuitry that monitors the voltage, current, and temperature of the battery pack. It continuously checks if any of these parameters exceed safe limits. If a fault is detected, the BMS activates the appropriate protection mechanism to safeguard the battery pack and connected devices.


PCM (Protection Circuit Module): The BMS may also be referred to as a PCM, which stands for Protection Circuit Module. A PCM typically includes additional circuitry for cell balancing, which helps to equalize the charge levels of individual cells within the battery pack. Cell balancing ensures optimal performance and extends the lifespan of the battery pack.


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