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5A Active Balancer

Safeguard Your Lithium Battery!

Prevent problems before they start. Get a 5A Active Balancer today and ensure a balanced, long-lasting life for your valuable lithium battery.



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5A Active Balancer: Extend Your Lithium Battery Life & Maximise Performance

Keep Your Battery Pack Healthy and Powerful

A 5A 4S Active Balancer keeps your lithium battery packs healthy. It has advantages for Li-ion battery packs, particularly 4S configurations (referring to 4 cells connected in series). 

Here’s a breakdown of its key features and benefits:

  • Function: It balances the voltage between cells in a 4-series (4S) lithium battery pack.
  • Benefit: It ensures that all cells are at similar voltage levels (within a few millivolts), which improves performance and lifespan.
  • Importance at High Current Draw: When drawing high currents from the battery, slight differences in cell resistances can cause voltage imbalances. This balancer helps mitigate that.
  • The advantage over Passive Balancers: Passive balancers waste energy by burning off excess voltage (as heat) in high cells. Like this one, active balancers redistribute the charge between cells for efficient use.
  • Maximises Usable Capacity: By keeping cells balanced, you get the most out of your battery’s capacity, even over extended periods.
  • Safety Feature: Unlike some active balancers, the automatic on/off at 3.4V and 3.3V prevents accidental over-balancing during discharge.

Why Balancing Matters:

The 5A Active Balancer is your secret weapon for maximising the lifespan and performance of your lithium battery pack. This intelligent device automatically balances the voltage between individual cells, ensuring they charge and discharge at the same rate. Lithium batteries are made up of multiple cells. Over time, slight imbalances can develop between these cells, leading to:

  • Reduced Capacity: Imbalanced cells limit the usable capacity of your entire battery pack.
  • Premature Degradation: Uneven charging and discharging stress some cells more than others, shortening their lifespan.
  • Safety Risks: Excessive voltage differences can pose safety hazards.

The 5A Active Balancer Advantage:

  • Automatic Cell Balancing: Continuously monitors and adjusts cell voltages, ensuring a perfectly balanced pack.
  • Extended Battery Life: Promotes uniform cell health, preventing premature degradation and extending overall battery lifespan.
  • Increased Usable Capacity: Maintains a higher usable capacity by balancing cell health.
  • Improved System Performance: A balanced battery pack delivers optimal power and efficiency.
  • Enhanced Safety: Reduces the risk of cell overvoltage and undervoltage, improving battery safety.
  • Easy to Use: Requires minimal configuration and seamlessly integrates into your existing system.


  • Ideal for various Lithium Ion (Li-ion) battery pack applications, including:
    • Solar energy systems
    • Electric vehicles (EVs)
    • Marine Electronics
    • Drones
    • Power tools
    • Portable electronics

Overall, this 5A 4S Active Balancer seems like a great addition to any lithium battery pack, especially if you plan on using it with high current loads or for long lifespans.

Don’t wait for battery problems!

Protect your valuable lithium battery investment with a 5A Active Balancer. Order yours today and experience the benefits of a balanced and long-lasting battery pack!

The best quality 5A Active Balancer is available at Muller Energy.


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