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Fence monitoring for complete peace of mind

i Series Energizer System

Alerting you to issues before they become a crisis.

Experience peace of mind with the i Series Energizer system monitoring your fence performance, 24/7.


Giving you time to focus on running an efficient and productive farm, knowing your livestock and crops are safely protected by the i Series system.

Intelligent power, where and when it matters

Smart adaptive electronics are constantly monitoring your fence performance and adjusting output voltage based on changing fence conditions.

Intelligent, time-saving fence monitoring

Save hours checking your fence line for faults and maintenance work.

An intelligent line of defence

Protected livestock, pastures, and crops, notifying you when you are vulnerable.

 Remote, off-grid power that just keeps ticking

Mains, battery backup, and solar solutions. Power your fence no matter how remote your location.

See i Series Ag Devices in action

i Series customer stories

Taranaki dairy farmer saves time and stress with app-controlled electric fence system

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Farmers encouraged to use their technology to capitalise on a record Autumn

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Fencing technology crucial to beef farm’s unique rotational grazing system

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Gallagher M5800i Energizer Hard To Beet

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Learn more about the i Series Energizer System

i Series Energizers

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i Series Accessories

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Expert advice, no extra price


We are with you every step of the way. Working with you to gain a strong understanding of your business, animals, and your unique needs.


For expert advice on the i Series Energizer system, electric fencing or any of your animal and land management needs complete the following form or contact your local Gallagher Territory Manager.


By submitting this form, you consent to Gallagher Animal Management storing your personal information to contact you about your enquiry. Your information will be collected and stored securely by Gallagher Group Limited based in New Zealand and may be shared with the wider Gallagher group as necessary to support your enquiry. We will not share, disclose or sell your information to third parties for marketing purposes. For full details on how we use and manage your personal information, your rights to access, correct or delete your personal information, and how to contact us about your personal information, please see our Privacy Statement.