BP420

4S 20A 18650 LITHIUM BATTERY PROTECTION BOARD


  • Model HX: 4S-BM20

  • Maximum Working Current: 15A

  • Maximum Instantaneous Current: 20A

  • Overcharge voltage range: 4.25 ± 0.05V

  • Over-discharge voltage range: 2.5 ± 0.05V


Your Reliable Security Partner For More Than 10 Years