BMS LFP 4S 100A SMART CAN DALY (21a6)

DALY Smart BMS LiFePO4 4S 12V 100A Common port with Balance

Product Data Sheet

The DALY BMS LFP 4S 100A SMART CAN (21A6) is a professional-grade Battery Management System crafted for LiFePO4 (Lithium Iron Phosphate) battery packs operating at 12.8V (4 Series Cells). With its 100A charge and discharge current capability, this BMS is perfectly suited for high-demand applications such as electric vehicles (EVs), solar power systems, inverters, backup energy storage systems, and industrial power banks.

Technical Specifications

• Battery Configuration: Smart BMS LiFePO4 4S 12V100A Common port with Balance
• Continuous Discharge Current: 100A
• Over-Voltage Protection: 3.8V
• Charge Current: 50A
• Charge Voltage: 14.6V
• Short Circuit Protection: Yes, with auto recovery
• Temperature Protection: Over-temperature and under-temperature protection
• Features: Overcurrent, overcharge, over-discharge, and temperature protection

Key Features

• ** 100A High-Current Capability**
  Designed to support power-hungry systems with consistent, efficient current delivery for both charging and discharging cycles.

• ** CAN/UART/RS485 Smart Communication**
  Easily connect to BMS monitoring software, data loggers, or custom MCU-based systems. Enables real-time voltage, current, SOC, temperature, and fault data tracking.

• ** Intelligent Battery Protection**
  Ensures safe operation through configurable parameters, such as temperature limits, voltage thresholds, and current cutoff settings.

• ** Thermal Management with NTC Sensors**
  Includes two NTC temperature probes for precise internal temperature monitoring to prevent overheating or cold charging.

• ** Rugged Construction**
  Compact PCB with an aluminum shell ensures durability and effective heat dissipation in harsh environments.

Applications

• Electric Vehicles – eBikes, eScooters, golf carts
• Energy Storage Systems (ESS) – Home and industrial
• Solar & Inverter Systems – Backup and hybrid power
• DIY Projects – Robotics, IoT power packs, RC batteries
• Telecom, security, and UPS systems

With the wide application of lithium battery in Lithium Battery Industry, high performance, high reliability and high cost performance are required for battery management system. This product is designed specifically for lithium-ion batteries in BMS, it can collect, process and store the information data of the battery in real time, and ensure the safety, availability and stability of the battery.

Professional high current wiring design &workmanship, thus can withstand the shock of high current high. The appearance is sealed by injection molding process to improve moisture-proof and oxidation-proof components and prolong the service life of the products. dust proof, shockproof, anti-squeezing and other protective functions. There is a complete over-charge, over-discharge, over-current, short-circuit, balance function. With the integrated design, the collection, management, communication and other functions are integrated.