3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module.
  • 3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module.
  • 3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module.
  • 3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module.
  • 3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module.
  • 3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module.
  • 3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module.

3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module.

A0106

In the case of a battery pack, the BMS (Battery Management System) balancing protection circuit allows charging and discharging to be individually controlled. That is, the circuit controls that all cells are charged and discharged at approximately the same voltage. The current during charging should be limited, because the cell will "absorb" the current given to it, but a higher current than the one established by the manufacturer (generally a safe current is 1C ) can cause the cell to overheat and, in extreme cases, explode. The same relationship also applies to discharge.

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In the case of a battery pack, the BMS (Battery Management System) balancing protection circuit allows charging and discharging to be individually controlled. That is, the circuit controls that all cells are charged and discharged at approximately the same voltage.

The current during charging should be limited, because the cell will "absorb" the current given to it, but a higher current than the one established by the manufacturer (generally a safe current is 1C ) can cause the cell to overheat and, in extreme cases, explode. The same relationship also applies to discharge.

Maximum charge current: also indicated by the letter C . It informs us about the maximum current that can be used to charge the battery. Exceeding this value can damage cells.

Usually it is 1C, 2C.

For example we will analyze the case - I have an 800 mAh battery, we assume parameter C = 1

I = 0.8Ah * C = 0.8 * 1 = 0.8A

We can set the charging current to a maximum of 0.8A.

A more important note about modules is that they do not limit the current when loading cells.

Therefore, when loading a package made with a BMS module, you must choose (limit) the appropriate current for the package has been done.

By choosing the XL4015 module for the power supply, you can limit current and voltage. The converter has diodes that indicate the charging process and its end, and also its second version XL4015 digital converter has a screen that shows the current output voltage and the current that flows continuously.

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3S BMS 25A 12.6V 18650 PCM PCB Circuit Charging Module. features:

- Based on BM3451 regulator
- Li-Ion balanced charger
- Input Voltage: 12.6 VDC (3 * 4.2V)
- Full charge voltage: 4.23 - 4.28V
- Battery over-discharge voltage protection: 2.72 - 2.88V p>

- Operating temperature: -10ºC to + 85ºC
- Measurements: 54x18 mm
- Ideal for 3x 18650 batteries

Technical specification: strong >

  • Li-ion Lithium Battery BMS lithium battery charging module
  • BMS Type: Drive IC
  • Model Number: 18650 Li-ion Lithium Battery BMS 3S
  • Package: 1pcs 25A 3S Protection Board
  • 100% Brand new and high quality 18650
  • Module for Li-POLYMER LiMnO P rotect Parameter (3.6V / 3.7V)
  • Single Cell overcharge protect voltage: 4.23 - 4.28V
  • Single Cell overcharge protect recover voltage: 4.08 - 4.18
  • Overcharge protect delay: 0.5 - 1.5S
  • Single Cell over-discharge protect voltage: 2.72 - 2.88V
  • Single Cell over-discharge protect recover voltage: 2.9 - 3.1V li >
  • Overcharge protect current: 60A
  • Over-discharge protect current: 60A
  • Over-discharge protect delay: 0.5 - 1.5S
  • Temperature protect: YES
  • Disconnect protect: YES
  • Shortage protect: YES
  • Shortage delay: 100 - 600S
  • Shortage protect recover: YES li>
  • Charging current: 25A
  • discharging current: 25A
  • Charging voltage: 12.6V for 3S, 16.8V for 4S, 21V for 5S BMS board < li> Operating Temperature: -40 to 80

Applications:
- power tool
- electric bike
- pack of battery - powerbank

Chip data sheet: 3/4/5 Cell Battery Protectors

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