2S 4A BMS for LiFePO4 (LFP) Batteries – Battery Management System

2S 4A BMS for LiFePO4 (LFP) Batteries – Battery Management System

Ensure safety, reliability, and longevity for your LiFePO4 battery packs with this 2S 4A Battery Management System (BMS). Specially designed for 2-series (2S) LiFePO4 cells, this compact yet powerful BMS provides overcharge, over-discharge, and overcurrent protection—ideal for small to medium battery applications such as DIY solar storage, e-bikes, portable power banks, and more.

Key Features:

• ✅ Cell Configuration: 2S (2 cells in series) for LiFePO4 (3.2V nominal per cell)

• ✅ Continuous Discharge Current: 4A

• ✅ Charge/Discharge Protection:

  • Overcharge Protection

  • Over-discharge Protection

  • Overcurrent Protection

  • Short Circuit Protection

• ✅ Balancing Function: Optional/passive balancing depending on model

• ✅ Compact Size: Ideal for compact and space-constrained applications

• ✅ High Reliability: Built with quality components for long-term use

Specifications:

• Battery Type: LiFePO4 (LFP)

• Number of Cells: 2S (6.4V nominal)

• Max Continuous Current: 4A

• Overcharge Voltage: ~3.65V per cell

• Over-discharge Voltage: ~2.0V per cell

• Operating Temperature: -20°C to 60°C (varies by manufacturer)

Applications:

• DIY power banks

• Solar lighting systems

• E-bike battery packs

• Energy storage systems

• Portable electronic devices