4S 12V 20A LiFePO4 BMS Battery Protection Board HXYP-4S-BM15

Specification

• Battery Type: LiFePO4 (Lithium Iron Phosphate)

• Series Configuration: 4S (4 Cells in Series)

• Nominal Voltage: 12V Battery Pack

• Continuous Discharge Current: 14A

• Maximum Discharge Current: 20A

• Continuous Charge Current: 10A

• Maximum Charge Current: 15A

• Charge Voltage Limit: 14.6V

• Board Size: 50mm × 40mm × 3.6mm (1.97 × 1.57 × 0.14 inch)

• Protection Functions: Overcharge, Over-discharge, Overcurrent, Short Circuit, Thermal Protection

Description

The 4S 12V LiFePO4 BMS HXYP-4S-BM15 is designed to protect 4-cell LiFePO4 battery packs used in 12V lithium battery systems. It supports 14A continuous discharge current and up to 20A peak current, ensuring safe and stable battery performance.

This BMS monitors each cell to prevent overcharging, deep discharging, overcurrent, and short circuits, helping extend battery life and maintain safe operation. The board also includes thermal control support, allowing connection of an external temperature sensor for additional protection. Its compact design makes it perfect for DIY battery packs and portable power systems.

Application

• 12V LiFePO4 Battery Packs

• Solar Battery Systems

• Rechargeable Fan Battery Packs

• DIY Lithium Battery Projects

• Backup Power Supply Systems