4S 20A Lithium Battery BMS Balance Module

Product Description:

The 4S 20A Lithium Battery BMS Balance Module is suitable for charging 18650 batteries. It provides protection for Li-Polymer and LiMnO batteries (3.6V / 3.7V).

Specifications:

• Overcharge Protection Voltage per Cell: 4.23 - 4.28V
• Overcharge Protection Recovery Voltage per Cell: 4.08 - 4.18V
• Overcharge Protection Delay: 0.5 - 1.5S
• Overdischarge Protection Voltage per Cell: 2.72 - 2.88V
• Overdischarge Protection Recovery Voltage per Cell: 2.9 - 3.1V
• Overcharge Protection Current: 60A
• Overdischarge Protection Current: 60A
• Overdischarge Protection Delay: 0.5 - 1.5S
• Temperature Protection: YES
• Disconnect Protection: YES
• Short Circuit Protection: YES
• Short Circuit Delay: 100 - 600μS
• Short Circuit Recovery: YES
• Charging Current: 20A
• Discharging Current: 20A
• Charging Voltage:
  • 4.2V for 1S
  • 8.4V for 2S
  • 12.6V for 3S
  • 16.8V for 4S
  • 21V for 5S BMS

The components on this module are original and the product is guaranteed for quality.

Note:

This product can be used as 3S 20A, 4S 20A, or 5S 20A with different connection configurations and is of high quality.

Dimensions:

• Width: 17mm
• Length: 55mm

Package Contents:

1x 4S 20A Lithium Battery BMS Balance Module