Jiabaida (JBD) Smart BMS LiFePO₄ 4S 120A with Bluetooth

Jiabaida (JBD) Smart BMS LiFePO₄ 4S 120A with Bluetooth: Smarter Power Management

In modern lithium iron phosphate (LiFePO₄) battery setups, a reliable battery management system (BMS) is essential to maintain safety, balance, and longevity. The Jiabaida (JBD) Smart BMS for 4S LiFePO₄ packs rated at 120A, with built-in Bluetooth connectivity, provides a comprehensive solution that merges high current handling with intelligent monitoring.



Key Features

This BMS supports a 4-cell (4S) LiFePO₄ configuration, giving a nominal voltage of about 12.8V. With a continuous current rating of 120A, it is well suited for mid-to-high power systems such as inverters, battery banks for off-grid use, or small electric vehicles.

The Bluetooth interface enables wireless real-time monitoring from a smartphone or tablet. Users can access cell voltages, overall pack voltage, current flow, temperature readings, and fault conditions. This transparency allows for proactive diagnostics, setup tweaks, and alerts without needing physical access to the BMS.

Beyond basic protection, the BMS handles cell balancing to keep each cell at similar voltages during charging. The module also integrates key protections including overcharge protection, over-discharge protection, overcurrent / short-circuit cutoffs, and temperature monitoring to guard against thermal runaway or damage.

Advantages & Applications

The combination of 120A capacity and smart features makes this BMS ideal for systems that demand reliability, while not pushing into extreme current zones. Typical applications include:

  • Off-grid solar battery storage

  • 12V inverters for homes or workshops

  • Electric cycles, light electric vehicles

  • Portable power systems and UPS installations

Because the Bluetooth connectivity offers immediate diagnostics and alerts, maintenance becomes easier and safer. Users can detect and correct imbalance, abnormal temperatures, or overcurrent situations before they cause serious issues.

Implementation & Best Practices

When integrating this BMS, it’s crucial to match wiring, fuses, and connectors to the 120A capacity, ensuring low resistance and secure termination. Consider adding external fuses or circuit breakers in the system for redundancy. Cooling or heat dissipation should be factored in, especially if the system sees sustained heavy loads.

Configure the BMS thresholds (voltage limits, current cutoffs, temperature bounds) according to your specific LiFePO₄ cell characteristics. Use the Bluetooth app to monitor performance, log data, and detect anomalies early. Mount the BMS on a stable, vibration-free surface, ensuring it remains clear of moisture and debris.

Overall, the Jiabaida Smart BMS 4S 120A Bluetooth represents a balanced, intelligent choice for many LiFePO₄ battery systems—blending protection, monitoring, and performance into a compact package.

Contact

+𝟭 𝟳𝟳𝟵-𝟳𝟳𝟬-𝟯𝟭𝟬𝟵

https://srikobatteries.com/product/jiabaidajbd-smart-bms-lifepo4-4s-120a-bluetooth-integrated-battery/

kruthala@srikobatteries.com

1585 Beverly CT, Unit 121, Auror

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