Gallagher S20 Lithium Solar Fence Energizer – G35010
The Gallagher S20 Lithium Solar Fence Energizer is a compact, lightweight solar energizer designed for portable fencing, strip grazing, rotational grazing and smaller off-grid electric fence systems.
The S20 combines an internal lithium iron phosphate battery with a high-efficiency 3 W solar panel and Gallagher's intelligent adaptive energy control. The system continually monitors available solar energy and battery condition, adjusting operation to help maintain reliable fence performance even through periods of reduced sunlight.
With an integrated carry handle and compact construction, the S20 can be easily moved around the property as grazing areas change. LED indicators provide a quick check of fence and battery performance, while the water-resistant enclosure and built-in lightning protection are designed for outdoor agricultural use.
Key features:
- 0.2 J stored energy
- 0.15 J maximum output energy
- Gallagher recommended multiwire fence distance: 1 km
- Up to 2 km under ideal conditions
- Suitable for properties around 1.2 hectares
- Maximum output voltage: 9.3 kV
- Integrated 3 W solar panel
- Lithium iron phosphate battery
- Intelligent adaptive energy control
- Lightweight and portable – approximately 1.22 kg
- Fence and battery LED indicators
- Built-in lightning protection
- 3-year warranty
A practical choice where you need a self-contained, portable electric fence energizer without access to mains power.
Common Questions
What's included in the box?
The S20 comes ready to use straight out of the box. You get the solar energiser with built-in lithium battery and integrated solar panel, fence and ground leads, and a post mount. No assembly needed — just set it up and go.
How far will this energiser reach?
Gallagher rates the S20 for up to 2 km of fence in ideal, vegetation-free conditions and recommends it for around 1 km. It covers up to roughly 1.2 hectares depending on your conditions and fencing setup. Kilometre figures are a comparison guide — vegetation touching the wire reduces the effective distance.
What happens if it's cloudy or there's no sun?
The S20 has smart adaptive energy control that adjusts the output based on solar charge and battery level to keep your fence live as long as possible, even through cloudy spells. The lithium battery will keep the fence pulsing for up to three weeks without sun.
Is it waterproof?
The S20 has a tough, water-resistant case rated IPX4. It also comes with built-in lightning protection, which is handy for outdoor use in Australian conditions.
Can I move it between paddocks easily?
Yes — the S20 is fully portable and designed for temporary grazing and strip grazing. You can pick it up and move it between paddocks by hand in minutes. The post mount is 360°, so it adjusts to suit your setup.
Do you ship this product Australia-wide?
Yes, this product ships Australia-wide via road courier. It is too large or heavy for Australia Post. Call us on (07) 5482 1692 if you have any questions about delivery to your area.
Can I Click & Collect from Gympie?
Yes — Click & Collect is available from our store at 55 Tozer St, Gympie. Open Mon–Fri 8am–5pm and Sat 8am–12pm. Click & Collect is FREE on orders of $175 or more, or a flat $10 on orders under $175. Select Click & Collect at checkout and we will have your order ready.