Gallagher S40 Lithium Solar Fence Energizer – Portable Electric Fence Charger for Livestock & Wildlife Exclusion, Long-Range Solar Power

S40 Lithium Solar Fence Energizer

Reliable, portable, and efficient—the S20 Lithium Solar Fence Energizer provides a smart solution for livestock containment and wildlife exclusion. With 0.4 Joules of stored energy, this energizer can power up to 25 miles / 80 acres of fence. Designed for ease of use and long-lasting performance, it includes a solar panel, lithium battery, and leadset, making it ideal for strip grazing, rotational pastures, and flexible farm applications.

Features:

• Solar Lithium Technology: High-efficiency solar panel and lithium iron phosphate battery ensure continuous power and maximum output voltage of 9.3 kV.
• Faster Charging & Long-Lasting Power: Heavy-duty lithium battery provides reliable power day and night, even in low light conditions.
• Intelligent Adaptive Energy Control: Monitors solar energy and battery voltage, automatically adjusting output for optimal fence performance.
• Dual Operating Modes: Wildlife Mode pulses fast day and night to exclude wildlife, while Livestock Mode pulses fast during the day and slower at night to conserve power when domestic animals are less active.
• Durable Outdoor Design: Water-resistant case with built-in lightning protection, suitable for rain, hail, or shine.
• Portable & Easy to Install: Lightweight, compact, and comes with an integrated carry handle for effortless transport and setup.
• Performance Monitoring: LED indicators display fence voltage and battery status at a glance.
• Fully Integrated: Includes fence and ground lead, rechargeable lithium battery, and solar panel. Ready to use right out of the box.

Specifications:

• Energy (stored): 0.4 Joules
• Energy (output): 0.26 Joules
• Multiwire Distance (Gallagher Recommendation): 2 miles
• Multiwire Distance (Ideal Conditions): 12 miles
• Outdoors Suitable: Yes
• Product Weight: 3.15 lbs
• Warranty: 3 Year Manufacturer's Warranty
• Power Source: Solar
• Property Size: 40 Acres