18650 BMS - 2S - 20A

The 18650 BMS (Battery Management System) - 2S - 20A is designed to protect and manage a 2-series (2S) lithium-ion battery pack. It ensures safe operation by preventing overcharge, over-discharge, short circuits, and overcurrent situations.

Specifications:

• Cell Configuration: 2S (Two 18650 cells in series)
• Nominal Voltage: 7.4V (3.7V per cell)
• Fully Charged Voltage: 8.4V (4.2V per cell)
• Discharge Current: Up to 20A
• Charge Current: Typically 5A – 10A
• Overcharge Protection: ~4.25V per cell
• Over-discharge Protection: ~2.5V per cell
• Overcurrent Protection: Yes (20A limit)
• Short Circuit Protection: Yes
• Balancing Feature: Some models may include passive balancing
• PCB Size: Varies by manufacturer