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Ferrex Compatible Battery Comparison - October 2025

4 Best Ferrex Compatible Battery In the UK

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
Best Value
9.5Excellent
4
9.3Excellent
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Model

ACTIV ENERGY Li-Ion Battery 20/40 Volt 5.0 Ah/2.5 Ah 90 Wh for Ferrex Cordless Tools
Model
Einhell Power X-Change 18V, 2.5Ah Lithium-Ion Battery Starter Kit - Battery and Charger Set - Universally Compatible With All Einhell PXC Power Tools And Garden Machines - Packaging May Vary
Model
Activ energy Li-Ion Battery 20/40 Volt 5.0 Ah / 2.5 Ah 90 Wh for Ferrex Battery Tools
Model
Activ Energy Universal Battery Charger for FERREX Battery Tools Garden Tools

Brand

ACTIV ENERGY
Brand
Einhell
Brand
ACTIV ENERGY
Brand
ACTIV ENERGY

Reviews

6 reviews
Reviews
58,302 reviews
Reviews
742 reviews
Reviews
820 reviews

Tech Specs

batteries

-
batteries
1 Lithium Ion batteries required. included
batteries
1 AAA batteries required. included
batteries
1 Lithium Ion batteries required.

Available On

Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    ACTIV ENERGY Li-Ion Battery 20/40 Volt 5.0 Ah/2.5 Ah 90 Wh for Ferrex Cordless Tools
    ACTIV ENERGY

    ACTIV ENERGY Li-Ion Battery 20/40 Volt 5.0 Ah/2.5 Ah 90 Wh for Ferrex Cordless Tools

    Main highlights
    • ACTIV ENERGY Li-Ion battery 20/40 Volt 5.0 Ah/2.5 Ah 90 Wh for Ferrex cordless tools
  • 9.7
    2
    Einhell

    Einhell Power X-Change 18V, 2.5Ah Lithium-Ion Battery Starter Kit - Battery and Charger Set - Universally Compatible With All Einhell PXC Power Tools And Garden Machines - Packaging May Vary

    Why we love it

    The Einhell 18V 2.5Ah PXC Starter Kit is a member of the multifunctional and completely interchangeable Power X Change rechargeable battery system from Einhell.
    The process controlled active battery management system ABS has a microprocessor for permanently monitoring the battery parameters.
    The rechargeable battery resists the memory effect and self discharging, to deliver constant high power.
    Main highlights
    • There is a trough handle to enable the battery to be removed from each tool with ease. The fast charger is compact in design and therefore takes up little space,and there are integrated suspension eyelets for easily hanging on the wall
    • There is a refresh mode for reactivating batteries which have undergone exhaustive discharge. All up-to-the-moment information is provided by the 6-stage charging level LED indicator
    • The rechargeable battery resists the memory effect and self-discharging, to deliver constant high power. The 2.5 Ah rechargeable battery is the ideal basis from the Power X-Change series and is suitable for TWIN-PACK use for 36 V applications
    • The process-controlled active battery management system ABS has a microprocessor for permanently monitoring the battery parameters. It therefore ensures maximum safety, optimum tool performance and maximum operating time and service life
    • The high-speed charging technology means short charging times, and for optimum charging and maximum safety the battery is permanently monitored by an intelligent charging management system
    • The current charge level can be checked on a 3-step LED display. The housing is designed to be resistant to dust, corrosion and mechanical influences
    • The Einhell 18V 2.5Ah PXC Starter Kit with an 18V 2.5 Ah Power X-Change rechargeable battery and fast charger is a member of the multifunctional and completely interchangeable Power X-Change rechargeable battery system from Einhell
  • 9.5
    3
    ACTIV ENERGY

    Activ energy Li-Ion Battery 20/40 Volt 5.0 Ah / 2.5 Ah 90 Wh for Ferrex Battery Tools

    Why we love it

    The battery is from Samsung, so it should be a good quality battery.
    The battery has a charge indicator, so you can easily tell when it needs to be charged.
    The battery is suitable for use with Ferrex battery tools and garden tools.
    Main highlights
    • With battery charge indicator.
    • Suitable for Ferrex battery tools and garden tools.
    • Maximum 20 V = 2.5 Ah (x2 units) 90 Wh.
    • Battery with variable power LI-ION cells from Samsung.
    • Active Energy LI battery maximum 20/40 V LI-ION 5.0 Ah/2.5 A 90 Wh.

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Value for money

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.