SOLAR ENERGISER S-21B 2KM W/BATTERY THUNDERBIRD
The Thunderbird S-21B is a solar-powered electric fence energiser designed for small fencing applications. It features a built-in rechargeable lithium battery and provides reliable performance for temporary fencing, strip grazing, overnight yards, and small paddock setups. The unit is compact, portable, and easy to mount on a star picket or fence post.
Power Source:
Solar powered with internal lithium battery.
Included:
• Solar energiser unit with built-in lithium battery
• Earth and fence leads with insulated clips
• Instruction manual
Key Features:
• Powers up to 2 km of electric fencing
• Approximate stored energy of 0.2 joules
• High voltage output for effective animal control
• Magnetic on/off switch for improved weather sealing
• Low battery indicator light
• Pulse indicator light
• Encapsulated electronics for moisture and insect protection
• Tough, weather-resistant casing
• Portable design with carry handle
• Suitable for mounting on star pickets or fence posts
Specifications:
• Maximum fence distance: 2 km
• Stored energy: approximately 0.2 J
• Output voltage: approximately 9,000 V
• Power supply: Solar with internal lithium battery
Weight and Dimensions:
• Weight: approximately 2.2 kg
• Dimensions: approximately 300 mm x 300 mm x 210 mm
Applications:
• Temporary electric fencing
• Strip grazing
• Overnight yards
• Containment of livestock such as cattle, horses, and dogs
• Deterrent for small animals and pests
Common Questions
What is the Thunderbird S-21B and what's it used for?
The Thunderbird S-21B is a solar-powered electric fence energiser designed for small fencing applications. It's ideal for temporary electric fencing, strip grazing, overnight yards, and small paddock setups. It can power up to 2 km of electric fencing and is suitable for containing livestock such as cattle, horses, and dogs, as well as deterring small animals and pests.
How does it get its power?
The S-21B is solar powered with a built-in rechargeable lithium battery. This makes it portable and ideal for remote locations where mains power isn't available.
What's included in the box?
You get the solar energiser unit with built-in lithium battery, earth and fence leads with insulated clips, and an instruction manual.
How do I know if the battery is low?
The unit has a low battery indicator light that will alert you when the battery needs charging. It also has a pulse indicator light so you can see when the energiser is working.
Can I mount it easily and move it around?
Yes. The S-21B is compact and portable with a carry handle, making it easy to transport. It can be mounted on star pickets or fence posts, so you can set it up quickly wherever you need it.
Do you ship this product Australia-wide?
Yes, this product ships Australia-wide via Australia Post or road courier. Select your preferred shipping method at checkout.
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.