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10 Best activ energy battery 40v

Welcome to our top 10 product reviews for activ energy battery 40v. We've scoured the market to bring you the best of the best, with products ranging from a 7.1 score up to a whopping 9.8 score!

Updated January 2026

Activ Energy Universal Battery Charger for Ferrex Battery Tools Garden & Cordless Tools comes with UK Plug

Main Highlights

Universal battery charger for Li-ion batteries for Ferrex Battery

Fast charging universal charger for Li-ion batteries

Energy efficient charger for Ferrex Li-ion batteries

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Activ Energy Universal Battery Charger for FERREX Battery Tools Garden Tools

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Universal battery charger for Li-ion batteries.

Input: 220-240V / 50Hz / 96W. Output: 21 V / 4.0 A.

Charging time: max. 20 V / 36 Wh = approx. 45 minutes. or max. 20 V (x 2 units) 90 Wh approx. 95 minutes.

For all battery-operated DIY and garden tools with 20 V and 40 V from the FERREX brand.

9.6

Excellent

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Best value

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

9.5

Excellent

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

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Active Energy LI battery maximum 20/40 V LI-ION 5.0 Ah/2.5 A 90 Wh.

Battery with variable power LI-ION cells from Samsung.

Maximum 20 V = 2.5 Ah (x2 units) 90 Wh.

With battery charge indicator.

Suitable for Ferrex battery tools and garden tools.

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ACTIV ENERGY Li-Ion Battery, 20 Volt, 2.0 Ah, 36 Watt hours, for Ferrex Cordless Tools, Garden Tools

Main Highlights

ACTIV ENERGY 20 V, Li-Ion, 2.0 Ah, 36 Watt hours.

Output: 20 V.

Capacity: 2.0 mAh / 36 Watt hours.

With battery charge indicator.

Suitable for Ferrex battery tools and garden tools.

9.2

Very Good

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