Gallagher S120 Solar Fence Charger / 35 Mile / 120 Acre

Gallagher S120 Lithium Solar Powered Electric Fence Charger / Energizer 

35 Mile / 120 Acre

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Specifications

• Energy (Stored): 1.2 joules
• Energy (output): 0.94 joules
• Multiwire Distance (Gallagher Recommendation): 10 miles
• Multiwire Distance (ideal conditions): 35 miles
• Outdoors Suitable: Yes
• Property Size: 120 Acres
• Weight: 7 lb
• Warranty: 3 Years Warranty
• Extra shipping charges may be required for Alaska and Hawaii BUY TODAY! 

From a professional standpoint, the Gallagher S120 Lithium Solar Fence Energizer stands out as one of the most efficient and dependable solar energizers available for modern livestock operations. Its lithium iron phosphate battery paired with a high-efficiency 12W solar panel delivers consistent, regulated power—even through variable weather and seasonal light changes—something many traditional units struggle to maintain. For producers managing up to 120 acres or long fence lines, that kind of steady output isn’t just convenient, it’s critical to keeping cattle respectful of the fence and predators where they belong.

What really sets this unit apart in real-world use is its intelligent power management and dual-mode operation. Whether you’re containing livestock or deterring wildlife, the energizer automatically adjusts to conditions, maximizing battery life without sacrificing performance. Add in its lightweight, post-mounted design and built-in portability, and you’ve got a system that fits seamlessly into rotational grazing setups and daily farm demands. Simply put, this is the kind of reliable, low-maintenance fencing solution experienced farmers invest in when they want fewer headaches, stronger fence pressure, and long-term peace of mind.

Solar Lithium Technology That Works as Hard as You Do

Take the guesswork out of fence performance with advanced lithium-powered reliability. A high-efficiency 12W solar panel paired with a rugged lithium iron phosphate battery delivers consistent, uninterrupted power—reaching up to 10kV to keep your livestock secure in any condition, from bright summer days to overcast stretches.

Faster Charging. Longer Runtime. Zero Downtime.
The integrated lithium battery charges quickly and holds power longer, giving you dependable, self-sufficient operation around the clock. Whether the sun is shining or not, your fence stays energized—so you can focus on the job, not the charger.

Smart Energy Control That Maximizes Every Ray of Sunlight
Built-in intelligent monitoring tracks battery levels and solar input in real time, automatically adjusting output to extend performance when you need it most. When battery levels drop, the system reduces pulse rate and voltage just enough to conserve energy—keeping your fence running longer instead of shutting down.

Flexible Power Modes for Real-World Conditions
Choose the setting that matches your operation:

• Livestock Mode: Higher pulse frequency during the day when animals are active, then reduced output at night to conserve energy.
• Wildlife Mode: Consistent, high-frequency pulses day and night to deter predators and nuisance animals while balancing battery life.

Built Tough for the Outdoors
A double-layer insulated housing protects internal components from extreme temperatures and harsh weather, ensuring long-term durability and dependable performance season after season.

Confidence in Every Fence
Backed by a full 3-year warranty—including the lithium battery—you can count on dependable performance season after season. This is an investment built to last, giving you peace of mind where it matters most.

Heavy-Duty Power. Lightweight Portability.
Built for life on the farm, this compact, easy-to-carry unit features an integrated handle so you can move it wherever it’s needed. Ideal for rotational grazing and changing pasture setups, it delivers serious performance without the bulk.

Instant Visibility, Zero Guesswork
Stay in control at a glance. LED status indicators clearly show battery condition and fence performance, alerting you immediately to low charge or system issues—so you can act fast and avoid downtime.

Built to Handle the Elements
Rain, hail, or blazing sun—this energizer is ready. A water-resistant IPX4-rated housing combined with built-in lightning protection ensures consistent operation in unpredictable weather.

Secure, Elevated Mounting System
Keep your energizer protected and performing at its best. The versatile mounting system lifts the unit off the ground—away from livestock, standing water, and grass interference—while maintaining optimal solar exposure. Compatible with steel posts, wood posts, and rods up to 1" diameter. A wood post and ground mounting bracket is included for quick setup.

Fully Integrated. Ready to Go.
No complicated installation. Mount it, connect the included fence and ground leads, and you’re up and running. With the solar panel, rechargeable battery, and all essential components included, it’s a complete, hassle-free solution right out of the box.

Complete Solar Fence Power—Ready When You Are
The S120 delivers everything you need in one reliable, all-in-one package. With 1.2 joules of stored energy, it powers up to 35 miles of fence in ideal conditions and effectively covers up to 120 acres—making it a dependable choice for serious livestock control.

Fully integrated with a solar panel, rechargeable battery, and lead set included, it’s built for fast setup and immediate operation. No extras to buy, no complicated install—just mount it, connect it, and trust it to perform.