Best Power Tool Batteries & Chargers — Activ Energy (2026)
1 power tool batteries & chargers matching brand “Activ Energy”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Power Tool Batteries & Chargers UK (2026) guide.
Activ Energy offers a robust range of rechargeable batteries and chargers specifically designed for outdoor power tools. Focusing on delivering consistent performance, these products are engineered to provide reliable power when you need it most – whether tackling garden maintenance or DIY projects. Their lithium-ion technology ensures long run times and fast charging capabilities, reducing downtime between uses and maximizing efficiency.
This selection of Activ Energy batteries is compatible with a wide array of tools from brands like Husqvarna, Stihl, and Bosch. The chargers are designed for rapid recharging, ensuring your tool is ready when you are. We've curated a collection covering various voltage and amperage requirements to suit different power tool applications.
Each battery includes safety features such as overcharge protection and discharge prevention. Remember to always consult the manufacturer’s instructions for optimal charging times and usage guidelines for your specific tool model. These Activ Energy products provide a convenient and powerful alternative to traditional disposable batteries, contributing to cost savings and reducing environmental impact.
#1 Pick
Activ Energy Universal Replacement Battery Charger for FERREX 20V Cordless Tool Batteries- 20V Charger
£30.55
Pros
- Over 600 reviews make it a well-proven replacement charger
- Handy option when a FERREX tool arrives without its original charger
- Budget price compared with buying a new branded charger
Cons
- Aftermarket charger, not an official FERREX part
FAQ
What voltage Activ Energy batteries are compatible with Husqvarna battery-powered chainsaws?+
Activ Energy offers 36V and 40V batteries that are compatible with many Husqvarna chainsaw models. Always check the specific tool's compatibility guide to confirm the correct voltage before purchase, as some require a higher voltage for optimal performance.
How long does it take to charge an Activ Energy 40V battery charger?+
The Activ Energy 40V charger typically takes around 90-120 minutes to fully recharge a new 40V battery. Charging times may vary slightly depending on the battery’s initial state of charge and ambient temperature.
Do Activ Energy batteries have any safety features?+
Yes, all Activ Energy batteries incorporate overcharge protection, discharge prevention, and thermal shutdown mechanisms to prevent damage or hazards during charging and usage. These safeguards ensure safe operation and extend the battery’s lifespan.
What is the typical cycle life of an Activ Energy power tool battery?+
Activ Energy batteries are designed for a substantial number of charge cycles – typically around 500-800 cycles, depending on usage patterns. Careful handling and avoiding extreme temperatures will help maximize this lifespan.
Are these batteries suitable for professional use?+
While suitable for many professional applications, we recommend checking the manufacturer's specifications for your specific tool to ensure compatibility with high-frequency or heavy-duty use scenarios. Regular maintenance is key.
What charging current does the Activ Energy charger deliver?+
The Activ Energy chargers are designed to provide a constant 4A charge rate, ensuring efficient and rapid recharging of compatible batteries. This amperage level helps minimise charging times and prolong battery health.
How do I store an Activ Energy power tool battery when not in use?+
To preserve the battery’s lifespan, store it in a cool, dry place between 15°C and 25°C (59°F – 77°F). Avoid storing fully charged or depleted batteries for extended periods – ideally, keep them at around 50% charge when not in use.
Can I use an Activ Energy battery with a different brand of power tool?+
While designed for compatibility with brands like Husqvarna and Stihl, it’s crucial to verify the voltage and amperage requirements of your specific tool before using an Activ Energy battery. Incompatible tools could damage either the battery or the equipment.
What is the warranty period for Activ Energy power tool batteries?+
Activ Energy batteries come with a standard one-year manufacturer’s warranty against defects in materials and workmanship. Please refer to Amazon UK's returns policy for details on how to initiate a claim under this warranty.
Are these batteries compatible with 80V Activ Energy chargers?+
Currently, the available Activ Energy product range primarily focuses on 36V and 40V batteries. While future compatibility may be explored, these models are specifically designed for use with our existing charger offerings at those voltages.