12.8V 20Ah 4S LiFePO4 Battery Pack Cylindrical 40138 Cells with Advanced 100A Battery Management System

Specification:

• Type: 12.8V 20Ah LiFePO4 battery pack (4S)
• Cells: Cylindrical 40138 LiFePO4 cells
• Capacity: 20Ah nominal capacity
• Voltage: Nominal 12.8V configuration (4 series)
• BMS: Onboard 100A Battery Management System
• Protection: Includes cell balancing and protective cutoffs
• Use Case: Small-scale solar, portable power banks, EV accessories
• Cycle Life: High cycle stability from LiFePO4 chemistry
• Enclosure: Compact robust housing with terminals
• Connectivity: Standardized output for easy system hookup

Description:
The 12.8V 20Ah 4S LiFePO4 battery pack uses cylindrical 40138 cells and a 100A BMS to offer safe, balanced power for portable systems, small solar setups, and accessory EV use. With long cycle life and built-in protections, it supports reliable energy delivery in compact assemblies. Documentation and terminal markings are ASCII-compatible for seamless inventory and system integration during installation and maintenance tasks.