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    Picture of 2S 5A Lead Acid Battery Balancer, 24V

    2S 5A Lead Acid Battery Balancer, 24V

    1 review(s) | Add your review
    SKU: PH-BB-2S5A
    $63.59
    ● Provides series connection of two battery packs for lead-acid/lithium batteries under a current of 0-5A. ● Precisely control voltage and balance discharge/charge. ● Effectively extend the service life of the battery pack and reduce battery replacement. ● Sealed design with insulating components for safer use.
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    ⏱️ Delivery: 6-12 days
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    Overview

    Powerhome 2S 5A battery balancer is a cost-effective, high-performance solution designed to optimize your 2-series lithium-polymer battery packs. It delivers a reliable 0–5A balancing current, seamlessly integrates with BMS systems, and actively equalizes cell charge to eliminate voltage imbalances, extending your battery’s lifespan and reliability. With reverse polarity protection and a wide operating temperature range of -20℃ to 65℃, it ensures your battery pack stays balanced, healthy, and protected in all conditions, making it the ideal choice for maximizing your battery investment.

    2S 5A Lead Acid Battery Balancer Features

    Feature

    • Optimal Performance: Balances 2S LiPo batteries with a 0–5A current.
    • Wide Temperature Range: Operates reliably from -20℃ to +65℃.
    • Reverse Polarity Protection: Prevents damage from incorrect wiring.
    • Versatile Applications: Ideal for forklift batteries, solar batteries and energy storage cabinets.
     

    Details

    1. Active Energy Redistribution: Actively transfers energy from higher-voltage cells to lower-voltage ones, ensuring uniform charge across the entire battery pack.

    2. Lifespan & Performance Boost: Prevents overcharge/over-discharge of individual cells, extending the battery pack's lifespan and maintaining consistent performance.

     

    2S 5A Lead Acid Battery Balancer Details

    2S 5A Battery Balancer Dimension

    2S 5A Lead Acid Battery Balancer Dimension

    2S 5A Battery Balancer Wiring Diagram

    2S 5A Lead Acid Battery Balancer Wiring Diagram

    Please connect in the following order:

    • Connect the black wire to the negative terminal of the series battery pack.
    • Connect the red wire to the positive terminal of the series battery pack.
    • If the battery pack has fewer than 5 cells, the extra cables can be left unconnected (make sure to avoid reversing polarity), which will not affect the balancing effect.
    Specs
    Model PH-BE-101
    Number of Battery Pack Strings 2S (2 Batteries in Series)
    Working Current 0-5A
    Standby Current 3mA
    Working Temperature -20℃~+65℃
    Protection Reverse Polarity Protection
    Connecting Line 35cm
    Terminal Ο†8mm
    Dimension 78*78mm
    Application
    Battery of Forklift Truck

    Battery of Forklift Truck

    Battery Pack Energy Storage Cabinet

    Battery Pack Energy Storage Cabinet

    Solar Energy Storage Battery

    Solar Energy Storage Battery

    Battery of Golf Cart

    Battery of Golf Cart

    FAQ

    Q1: What is battery balancer?

    Battery balancer is an electronic device tailored to equalize the charge and discharge states of individual cells in a battery pack. Since battery packs are usually made up of multiple cells, discrepancies in cell capacity, internal resistance, or aging can lead to uneven energy distribution, which impairs the pack's overall efficiency and shortens its service life. Active balancers leverage specialized circuitry and smart control algorithms to actively transfer energy from overcharged cells to undercharged ones, ensuring all cells maintain consistent voltage and state of charge.

    Q2: Can battery balancer improve the overall lifespan of a battery pack?

    Yes, battery balancer can significantly improve the overall lifespan of a battery pack. The active balancer solves problem by actively transferring energy between cells to maintain uniform voltage and SOC (State of Charge) levels, preventing extreme operating conditions for any single cell. This balanced operation reduces wear and tear on the entire battery pack, effectively extending its cycle life and overall lifespan.

    1 review(s)
    5.0 1
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    Michael Lee | 5/6/2026 12:53 AM
    Works as expected for 2S lead acid and lithium packs
    Got this 2S 5A balancer for a 24V battery setup. The 0-5A working current is adequate for typical series-connected packs, and it supports both lead-acid and lithium batteries. The active energy redistribution feature helps keep voltage levels even across the two batteries, which should reduce wear over time. Standby current is only 3mA, so it doesn't drain the pack when idle. The operating temperature range (-20℃ to 65℃) covers most indoor and outdoor installations. Reverse polarity protection is a nice safeguard against wiring mistakes, especially for less experienced users. The sealed design with insulating components feels sturdy enough for garage or workshop use. It integrates with existing BMS systems without issues. For anyone running 2S battery banks in solar storage, forklifts, or energy cabinets, this balancer does the job without unnecessary complexity.
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