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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