which one has more outpower so animals feel a strong eletric shock S20 or S40?

The S40 is a 0.4 joule energizer, so it will be a larger charger than the S20, which is a 0.2 joule.

What causes light to flash red when on

Flashing red indicates that the battery needs maintenance

Is the s 40 an I series do you can shut it down automatically with the correct fault testor

No sorry this does not work with a remote

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Description

☀️ Charge Ahead: Power Your Land, Anywhere, Anytime!

BUILT TO BRAVE THE ELEMENTS - Lightweight, weather-resistant housing with lightning protection ensures reliable performance in all conditions, season after season.
PORTABLE PROTECTION ON THE MOVE - Easily mounts on T-posts, wood, or flat surfaces and relocates effortlessly between pastures or seasonal fencing zones.
SOLAR FREEDOM NO STRINGS ATTACHED - Integrated solar panel and rechargeable battery provide up to 3 weeks of operation without sunlight—ideal for remote, off-grid locations.
POWER YOUR PERIMETER WITH PRECISION - Delivers a robust 0.4 joules to energize up to 25 miles of clean fencing or 5 miles multi-wire setups—perfect for expansive livestock and garden protection.
TRUSTED BY RANCHERS BACKED BY WARRANTY - Gallagher’s 3-year warranty and adaptive energy control give you peace of mind with consistent predator exclusion day and night.

The Gallagher S40 Solar Fence Charger is a portable, solar-powered energizer delivering 0.4 joules of energy to secure up to 25 miles of clean fencing or 5 miles of multi-wire setups. Designed for off-grid use with a rechargeable battery lasting up to 3 weeks without sunlight, it offers durable, weather-resistant construction with lightning protection. Ideal for livestock, poultry, and garden protection, it mounts easily and comes with a 3-year manufacturer’s warranty.

Specifications

Brand	Gallagher
Material	solar panel, rechargeable battery
Item Weight	16 ounces
Efficiency	Moderate Efficiency
Included Components	Gallagher - G345404
Maximum Voltage	7 Kilovolts
Special Feature	Solar Powered
UPC	644493345400
Global Trade Identification Number	00644493345400
Manufacturer	Gallagher Store
Part Number	Gallagher - G345404
Item Weight	1 pounds
Product Dimensions	8.5 x 12 x 11 inches
Item model number	Gallagher - G345404
Is Discontinued By Manufacturer	No
Power Source	Solar Powered
Item Package Quantity	1
Number Of Pieces	1
Mounting Type	Wall Mount
Special Features	Solar Powered
Batteries Included?	Yes
Batteries Required?	No
Battery Cell Type	Sealed Lead Acid
Warranty Description	Manufacturer Warranty

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Gallagher S40 Solar Fence Energizer

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Description

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Common Questions