Thursday, May 22, 2025

SQ04 100A Smart BMS Optimized for Inverter-Based Lithium Systems

 


As the demand for reliable energy storage grows across homes, businesses, and mobile platforms, lithium battery systems have become a preferred choice thanks to their efficiency and compact form factor. But to get the best performance and lifespan out of any lithium battery—especially in inverter-based applications—a robust Battery Management System (BMS) is absolutely essential.

Enter the SQ04 100A Smart BMS – a purpose-built solution from Lithion Power, specifically designed for 4S (12V nominal) lithium battery packs used in inverter-driven systems.

What Is the SQ04 100A Smart BMS?

The SQ04 100A Smart BMS is a Battery Management System designed for 4-cell lithium battery configurations—either Li-ion (NMC) or LiFePO₄ chemistries. With a continuous discharge capacity of 100 amps, it is tailored to handle high current loads typically associated with power inverters, UPS systems, and DC backup solutions.

This BMS combines hardware-level safety, cell-level monitoring, and smart communication options—making it an intelligent, reliable core for any 12V lithium energy solution.

🔋 Key Features

4S (12V) Compatibility

The SQ04 supports 4 series-connected lithium cells, which is the standard configuration for most 12V battery systems. It works flawlessly with:

  • Solar-powered inverter setups
  • Home UPS systems
  • Telecom backup solutions
  • RV, caravan, and off-grid storage systems

💪 100A Continuous Discharge Rating

With a 100A continuous output, the SQ04 can support high-power devices like:

  • Pure sine wave inverters
  • Power tools
  • Air conditioners or large appliances (via inverter)

This makes it ideal for power-intensive setups that require reliable and sustained current draw.

🔒 Advanced Protection Mechanisms

The BMS includes:

  • Overcharge & over-discharge protection
  • Overcurrent & short circuit protection
  • Temperature-based cutoffs (high/low)
  • Passive balancing to maintain voltage uniformity

These features ensure safe operation under all conditions, extending battery life and protecting equipment.

📱 Smart Monitoring (Optional)

The SQ04 supports optional Bluetooth or UART modules, enabling:

  • Real-time cell monitoring
  • Pack status display (voltage, current, SOC)
  • Fault notifications
  • Cycle history and diagnostic logging

Compatible mobile apps and PC software allow users to tweak parameters and troubleshoot issues remotely.

🧰 Application Areas

The SQ04 100A BMS is purpose-built for inverter-driven battery systems, including:

  • 🏠 Home Solar Inverter Batteries – Reliable energy storage for off-grid or backup needs
  • 💼 Commercial UPS Systems – Protects battery packs in telecom and server rooms
  • 🚐 Mobile Applications – Ideal for RVs, caravans, or mobile workstations
  • 🔋 Portable Power Banks – For field engineers, camping, or emergency use

🛠 Installation & Integration

The SQ04 is compact and easy to install with clearly marked terminals and:

  • Pre-configured settings for 4S lithium chemistries
  • Built-in current and temperature sensors
  • Optional CAN/UART interface for inverter communication

This makes it a plug-and-play solution for OEMs and DIY users alike.

Why Choose the SQ04 100A BMS?

  • Built for high-current inverter systems
  • Supports both Li-ion and LiFePO₄ chemistries
  • Offers real-time control and diagnostics
  • Manufactured by Lithion Power, trusted across India for rugged battery electronics
  • Ideal for both residential and industrial setups

🔚 Conclusion

The SQ04 100A Smart BMS is more than just a protection board—it's an intelligent guardian for your 12V lithium battery system, especially in inverter-based environments where stable power delivery and long-term reliability are crucial.

 

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