TDT BMS 4-20S 150A Li Ion

TDT BMS 4-20S 150A Lithium-Ion Battery Management System (BMS) – Product Description

The TDT BMS 4-20S 150A is a highly advanced and versatile Battery Management System (BMS) designed specifically for large-capacity Lithium-Ion (Li-ion) battery packs. Engineered for both safety and performance, this BMS is capable of managing battery packs configured from 4 cells (4S) up to 20 cells (20S) in series, making it an ideal solution for a wide range of high-power applications including electric vehicles (EVs), energy storage systems (ESS), solar energy storage, and industrial battery banks.

Technical Specifications:

• Battery Type: Lithium-Ion (Li-ion)

• Series Connection: 4S – 20S

• Continuous Current: 150A

• Balance Current: Typically around 50–100mA per cell

• Operating Voltage Range: Based on the number of cells (generally 3.0V to 4.2V per cell)

• Temperature Range: -20°C to +60°C (operating), with protection triggers at unsafe levels

• Self-Consumption: Ultra-low standby power consumption, maximizing system efficiency

Key Features

• Wide Compatibility:

  • Supports flexible configurations from 4S to 20S, accommodating diverse system voltages.

• High Current Capacity:

  • Rated for 150A continuous discharge, suitable for demanding high-load applications.

• Comprehensive Protection Functions:

  • Overcharge protection to prevent damage from excessive voltage.

  • Over-discharge protection to maintain safe voltage limits.

  • Overcurrent protection to protect against excessive load currents.

  • Short-circuit protection for immediate fault disconnection.

  • Temperature monitoring and protection to prevent thermal runaway.

• Cell Balancing:

  • Integrated passive balancing ensures uniform charging/discharging across all cells, enhancing battery life and efficiency.

• Robust Construction:

  • Built with high-quality components for durability and reliable performance in harsh environments.

• Communication Support:

  • Options for UART, CAN, or RS485 protocols, enabling real-time monitoring and smart system integration (depending on model variant).

• Modular Design:

  • Allows for easy integration into customized battery systems with minimal additional engineering.

Applications:

• Electric vehicles (e-bikes, e-scooters, EV battery packs)

• Renewable energy storage (solar PV battery storage, off-grid systems)

• Uninterruptible Power Supplies (UPS)

• Industrial backup battery systems

• Marine energy storage solutions

• Power tools and large portable energy devices