Gallagher S120 Solar Fence Charger / 35 Mile / 120 Acre

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Gallagher S120 Lithium Solar Powered Electric Fence Charger / Energizer 

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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! 

The Gallagher S120 Lithium Solar Fence Energizer delivers dependable power for electric fencing with advanced solar technology and intelligent battery management. Built with a lithium iron phosphate battery and efficient 12W solar panel, it maintains consistent output up to 35 miles in ideal conditions and covers up to 120 acres. Dual operating modes—Livestock Control and Wildlife Control—adapt to your specific needs, while smart adaptive electronics optimize power based on battery state and sunlight availability. The rugged, lightweight design features an integrated carry handle for easy portability across your property, making it ideal for rotational grazing and managed pasture systems. Weather-resistant with IPX4rating and built-in lightning protection, the S120 operates reliably in all conditions. Post-mounted design keeps the unit elevated and away from stock and water. Includes solar panel, rechargeable battery, fence lead, and ground lead—ready to install and use. Backed by a 3-year warranty for complete peace of mind.

Solar Lithium Technology

• Lithium iron phosphate battery paired with a high-efficiency 12W solar panel delivers superior, continuous operation with maximum output voltage of 10kV, ensuring reliable fence power in all conditions.

Faster Charging, Long-Lasting Battery Performance

• A robust internal lithium battery combined with a highly efficient 12W solar panel ensures dependable, self-sufficient fence power around the clock, maintaining performance whether conditions are sunny or overcast.

Intelligent Adaptive Energy Control

• Intelligent monitoring systems continuously track stored solar energy and battery voltage, automatically adjusting output to maximize fence power duration—even when sunlight is unavailable. As battery charge drops below 30%, the system intelligently reduces pulse intervals and voltage output to extend operational time.
• Output power automatically decreases when battery charge falls below 30%, extending runtime by reducing pulse frequency and voltage to preserve remaining energy.

Multiple Power Options To Suit Your Fencing Application

• Select between two specialized operating modes tailored to your fencing needs—each optimized for efficient battery use and effective animal containment.
• Livestock Control Mode delivers high-frequency pulses during daylight hours when animals are most active, then switches to lower-frequency pulses at night when livestock activity decreases, optimizing battery efficiency.
• Wildlife Control Mode maintains continuous high-frequency pulses throughout day and night with moderated power output, balancing effective deterrence with extended battery life.

Protected Circuitry and Battery Longevity

• Double-layer insulated plastic housing shields internal components and battery cells from temperature extremes, ensuring consistent performance in harsh weather.

Confidence in Every Fence

• Rest assured with a comprehensive 3-year warranty covering the entire unit, including the lithium battery—your investment in reliable fence power is fully protected.

Heavy Duty Performance With Lightweight Portability - Designed To Be Easily Moved Around The Farm Or Ranch

• Engineered for mobility and simplicity, this lightweight, compact unit features an integrated carry handle for effortless transport and repositioning—perfect for rotational grazing systems and dynamic pasture management.

Fence and Energizer Performance Indication at a Glance

• Status indicator LEDs provide at-a-glance visibility into battery condition and system health, alerting you to low charge or operational issues instantly.

Designed for the Outdoors. Rain, Hail or Shine

• Water resistant case with IPX4 rating and built-in lightning protection keeps power maintained in all weather conditions.

Post Mounted For Security and Reliability

• Unique post mounting system keeps the energizer off the ground, protecting it from stock and rising water, while also preventing grass from shielding the solar panel. Mount to a Y/T Steel Post, a wood post or a metal rod/pipe up to 22mm/1" diameter
• Wood post and ground mounting bracket (G57112) included—ready to install on wooden posts or earth stakes for immediate operation.

Fully Integrated, Ready To Use

• Installation is straightforward—mount the unit on any compatible post, connect the included fence and ground leads to your system, and you're powered up. Everything needed is included: solar panel, rechargeable battery, and lead set.

Complete, ready-to-deploy solar fence power in one package. The S120 stores 1.2 joules of energy, reaches up to 35 miles in ideal conditions, and covers up to 120 acres—all with solar panel, battery, and leads included.