5S 4S Supercapacitor Balancing Board 2.8V 3000F Overvoltage Protection

5S/4S Supercapacitor Balancing Board – 2.8V 3000F with Overvoltage Protection

Keep your supercapacitor bank operating safely and efficiently with this compact 5S/4S Supercapacitor Balancing Board. Designed for 2.8V/3000F supercapacitor cells, this balancing module ensures each cell in a series stack maintains equal voltage, preventing dangerous overcharge conditions and extending the overall lifespan of your capacitor array. The built-in overvoltage protection circuit and red LED balance indicator make monitoring your setup quick and straightforward — ideal for DIY energy storage, automotive start-assist systems, regenerative braking circuits, and electronics projects.

Key Specifications

• Compatible Configuration: 5S / 4S supercapacitor banks
• Rated Cell Voltage: 2.8V per cell
• Capacitance: 3000F
• Cell Balance Current: < 1A
• Minimum Discharge Voltage: 0.1V
• Balance Indicator: Red LED light (activates when balancing begins)
• Overvoltage Protection: Yes — built-in circuit
• Color: Black
• Weight: 9.56g
• Customization: Available

Why Choose This Balancing Board?

• ✅ Prevents Cell Imbalance: Actively balances voltage across all cells in the stack, protecting your capacitors from uneven charge distribution.
• ✅ Overvoltage Protection: Built-in safeguard circuit automatically cuts off when voltage exceeds safe operating limits.
• ✅ Visual Feedback: Integrated red LED indicator lights up when the balancing process is active — no guesswork required.
• ✅ Lightweight & Compact: At just 9.56g, this board fits neatly into tight enclosures and portable builds.
• ✅ Versatile Application: Perfect for energy storage systems, UPS backup circuits, hybrid vehicle capacitor banks, and experimental electronics.

Typical Applications

• DIY energy storage and power backup modules
• Automotive and motorcycle start-assist supercapacitor banks
• Regenerative braking energy recovery systems
• Industrial UPS and power conditioning circuits
• Electronics prototyping and R&D labs

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Frequently Asked Questions

Q: What does a supercapacitor balancing board do?

A: A supercapacitor balancing board actively equalizes the voltage across each individual cell in a series-connected supercapacitor bank. Without balancing, some cells may overcharge while others undercharge, leading to reduced performance and potential damage. This 2.8V 3000F balancing board ensures every cell stays within its safe operating voltage range, maximizing the efficiency and lifespan of your capacitor stack.

Q: How do I know when the 5S/4S balancing board is actively balancing?

A: The board features a built-in red LED indicator that illuminates whenever the balancing circuit is actively engaged. When the LED is lit, current is being redistributed between cells to equalize their voltages. Once balance is achieved and all cells are within the safe threshold, the LED will turn off.

Q: What supercapacitor configurations is this balancing board compatible with?

A: This balancing board is designed for use with 5S (5-cell series) and 4S (4-cell series) supercapacitor configurations using 2.8V/3000F cells. It supports a cell balance current of less than 1A and a minimum discharge voltage of 0.1V, making it suitable for a wide range of energy storage and power electronics applications.

Q: What is the weight and size of this balancing module?

A: The balancing board weighs just 9.56g, making it extremely lightweight and easy to integrate into compact builds. Its small form factor is well suited for tight enclosures in automotive, portable power, and embedded electronics projects.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.