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M12,000i Mains Fence Energizer


Pure power, with intelligent fence monitoring technology. 


With the brute force of 120 stored joules and the peace of mind of the intelligent i Series system, your fence performance is monitored 24/7, alerting you to issues before they become a crisis. 


Our flagship M12,000i delivers more power to the back of the farm where it matters. Suitable for fencing all types of animals, on farms up to 1200 acres or 480 hectares.


A better view of your fence


Simply connect your i Series Energizer to an App Gateway, use Bluetooth to sync to the i Series Ag Devices App and fence data will be sent straight to your pocket.

3 Year Warranty


More power, where it matters 

i Series technology delivers more power to the end of your fence line, adapting voltage output to power through fence faults 


Peace of mind with advanced monitoring and remote technology 

i Series accessories provide 24/7 remote monitoring and control.  

The Gallagher Ag Devices mobile app provides real-time information about your fence performance, alerts you of fence faults and allows you turn your fence on and off. 


Engineered to perform in the harshest of farming conditions 

Proven to perform in extreme temperatures, with built-in lightning protection 

View fence performance in a convenient location 
Energizer Controller shows your fence performance information in a convenient separate display that can be located outdoors up to 50m away from the Energizer 


i Series Accessories: (sold separately)  


Fence Monitor  

Install up to six monitors on your fence line to measure performance in specific areas of your farm. Information is displayed on your Energizer Controller, Remote and Ag Devices App. 


Remote & Fault Finder  
Saves hours searching for and fixing faults. Be led directly to the location of fence faults, turn the Energizer off remotely to allow for a safe and convenient repair then turn the power back on – all without needing to return to the Energizer. 


i Series App Gateway  
Manage, monitor and control your energizer using your phone. Alerting you to issues before they become a crisis with phone-based fence monitoring and real-time fault notifications via Bluetooth or WiFi. 


Alarm System  
Secure farm assets. Monitor a section of fence and drive external strobe lights, sirens or alarm panels if the circuit is broken e.g. if a gate is opened or a wire is cut.


Unboxing the worlds most powerful energizer


Key account manager Kevin Marquand  unboxes the new M12,000i energizer. The energizer comes with a controller that displays 24/7 fence performance from one location. It also comes with a user manual and screws for fast and easy intallation. 

To get the most out of your energizer, Gallagher also reccomend the i-series comms pack. The pack provides peace of mind with advanced monitoring and remote technology.

Watch the video to see all the benefits!



    • Model
    • Energy (output)
    • Energy (stored)
    • Multiwire Distance (Gallagher Recommendation)
    • Multiwire Distance (ideal conditions)
    • Power Source
    • Property Size
    • i Series Compatible
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