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    12S 5A Active Battery Balancer, 12x12V

    Economical price 12s battery balancer can connect 12 batteries in series for balancing 12*12V voltage in 0~5A working current. This active battery equalizer, often integrated into a Battery Management System (BMS), plays a crucial role in optimizing the performance and lifespan of lithium-polymer (LiPo) batteries.
    SKU: ATO-ABB-12S5A
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Active battery balancer, also known as a battery equalizer or Battery Management System (BMS), actively monitors individual cell voltages during charging and discharging processes. By redistributing energy among cells, it prevents imbalances that can lead to capacity degradation, overheating, or even safety hazards.


    • Model: ATO-J06-5A
    • Battery Pack Type: Ternary, Iron Lithium
    • Number of Battery Pack Strings: 6S (4 Batteries Connected in Series)
    • Balance Voltage: 72V (6*12V)
    • Balance Current: ≤5A
    • Balance Mode: Active Equilibrium
    • Balance On Condition: First Single String Voltage: ≥3.1±0.1V
    • Balance Off Condition: Flat First Single String Voltage: ≤3.0±0.1V
    • Working Power Consumption: <1mA
    • Sleep Current: <100uA
    • Working Power Consumption: <1mA
    • Balance Accuracy: ±mV
    • Working Temperature: -20℃~60℃
    • Harness: Compatible with BMS
    • Balance Indication Light: Bright: Balance On, OFF: Balance Not On or Fault
    • Dimension: 163*65*21mm

    Dimension (Unit: mm)

    10s 16s active battery balencer dimension


    Active battery balencer detail


    Active battery balencer application

    Tips: When should I use an active battery balancer?

    An active battery balancer is beneficial when managing a battery pack, especially in applications such as electric vehicles or renewable energy systems. Use it when you observe voltage imbalances among individual cells within the battery pack. This imbalance can lead to reduced overall performance, capacity, and lifespan of the battery. The active balancer redistributes energy between cells, ensuring that each cell operates within its optimal voltage range. This promotes uniform charging and discharging, preventing overcharging of certain cells while others remain underutilized. By maintaining balance, the active balancer helps maximize the efficiency and longevity of the entire battery pack. It is particularly crucial in lithium-ion battery setups, where imbalances can escalate safety risks. Regular use of an active battery balancer enhances overall system reliability and ensures consistent performance over the battery pack's lifecycle.

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