12.8V 40Ah 4S LiFePO4 Battery Pack Cylindrical 40138 Cells with Integrated 100A Battery Management System

Specification:

• Type: 12.8V 40Ah LiFePO4 battery pack (4S)
• Cells: Cylindrical 40138 LiFePO4 cells configuration
• Capacity: 40Ah nominal capacity
• Voltage: Nominal 12.8V (4 series cells)
• BMS: Integrated 100A Battery Management System
• Protection: Overcharge, over-discharge, and short-circuit safeguards
• Use Case: Solar storage, EV, UPS, and energy applications
• Cycle Life: Long cycle life typical of LiFePO4 chemistry
• Enclosure: Robust housing with balancing leads
• Connectivity: Standard terminal outputs for easy integration

Description:
This 12.8V 40Ah 4S LiFePO4 battery pack employs cylindrical 40138 cells and a 100A BMS to deliver reliable power with comprehensive protection against overcharge, over-discharge, and short circuits. Designed for solar, EV, UPS, and portable power applications, the pack combines long cycle life with safe operation and balanced charging. Clear ASCII-labeled terminals and documentation simplify integration into energy assemblies and system management workflows.