BMS LFP 8S 20A (TDT) (048a)

TDT BMS LFP 8S 20A Hardware

Product Data Sheet

The BMS LFP 8S 20A (TDT) is an advanced and rugged Battery Management System (BMS) designed specifically for 8-cell series LiFePO₄ (LFP) battery packs, delivering superior protection and efficiency for systems operating at 25.6V nominal voltage.
Engineered by TDT, this model offers 20A continuous current output, balancing efficiency and safety with high-performance electronics and precise voltage regulation. It features dual JST connectors for ease of integration and connectivity, ensuring compatibility with modern energy storage systems, solar units, and electric mobility applications.

Technical Specifications

• Model TDT-8S-8181A 20A LFP
• input Voltage B+ to B-: -0.3~+15V
• Overcharge Detection voltage/1CELL: 3.65±0.05V
• Over discharge Detection voltage/1CELL: 2.32±0.1V
• Charge temperature protection 0°C~+50°C
• Discharge temperature protection 65°C~+75°C

Key Benefits

• High 20A Current Capacity: Handles high discharge demands with ease.
• 8-Cell LFP Protection: Ensures safe operation of 25.6V LiFePO₄ battery packs.
• Dual Connector Interface: Simplifies installation and enhances compatibility with smart battery systems.
• Passive Balancing Circuitry: Keeps all 8 cells at uniform voltage, enhancing performance and cycle life.
• Comprehensive Protection: Includes overcharge, over-discharge, short circuit, temperature, and current overload protections.
• Shielded for EMI & Heat: Fully enclosed with metal casing to prevent heat and electrical interference damage.

Applications

• Solar Energy Storage Systems
• Electric Scooters / Mobility Devices
• Inverters and Backup Power Solutions
• Power Tool Battery Packs
• Portable Battery Boxes
• Electric Utility and Agriculture Kits

The PCM LFP 08S/20A SAME PORT (TDT) is a Battery Protection Circuit Module (PCM) designed for 8 series lithium iron phosphate (LiFePO4) battery packs, supporting a 20A continuous discharge current. This module is suitable for higher power applications such as energy storage systems, backup power solutions, and moderate-power electric vehicles. It provides essential protections, including overcharge, over-discharge, overcurrent, short circuit, and temperature protection, ensuring the safe operation of the battery. The SAME PORT feature enables simplified wiring by utilizing a single port for multiple connections. The TDT designation indicates the specific design or manufacturer, ensuring reliable and efficient battery management.