The Thunderbird S35 Solar Electric Fence Energiser is built tough for Australian conditions. Ideal for small fencing setups, strip grazing, and temporary yards, this unit combines portability, reliability, and efficiency in one compact design.
Thunderbird S35 Solar Electric Fence Energiser Features:
- Australian Made – proudly built for tough Australian farming conditions, ensuring reliability and long service life.
- 3-Year Manufacturer’s Warranty – backed by Thunderbird’s trusted warranty for complete peace of mind.
- Auto battery preservation – pulse rate automatically reduces overnight
- Low Battery Indicator Light – easily monitor battery voltage and prevent downtime with a simple visual alert.
- Pulse Fence Light – confirms the energiser is operating correctly, giving you quick visual feedback on fence performance.
- Vacuum-Sealed Transformer – provides superior protection and long-term reliability, even in harsh weather conditions.
- Encapsulated Electronics – sealed components safeguard against moisture, dust, and insect damage for lasting durability.
- Sealed Lithium Battery (Internally Fitted) – maintenance-free power source ensures consistent fence operation.
- Earth and Fence Leads Included – supplied with insulated clips for quick, easy setup straight out of the box.
- Tough ABS Enclosure – designed for maximum solar collection and impact resistance in outdoor environments.
- High-Quality Crystalline Solar Panel – efficient solar charging keeps the battery topped up for continuous performance.
- Smart Software Technology – measures solar input and automatically adjusts operation to extend battery life.
- Ideal for Small Fencing Applications – perfect for strip grazing, temporary yards, or small property boundaries.
- Fully Portable Design – includes a built-in carry handle and internal battery for easy transport between paddocks.
- O-Ring Sealed Case – provides superior weather protection against rain, dust, and humidity.
- Adjustable Power Settings – choose between low and high power modes to suit different fence lengths and conditions.
- Star Post Mounting Design – simply slides over a steel post for fast and secure installation anywhere on your property.
- Mains Battery Charger Supplied – recharge the internal battery during extended cloudy or low-sunlight periods.
- Magnetic Switch Control – no holes through the case, improving waterproofing and long-term reliability.
- Perfect for Strip and Cell Grazing – ideal for rotational grazing, secure overnight yards, and temporary holding paddocks.
- Lightweight and Easy to Transport – compact, portable design makes it simple to move and set up wherever needed.
- Suitable for one 50m Thunderbird ThunderNet
Thunderbird S30B Model Specifications :
- Joules: 0.3
- *Distance: 3.5km
- Output: 9.1 Kv
- Thunderbird Electric Fence Universal Energiser Manual
Replaces old Thunderbird energiser models:
- Thunderbird S25B
- Thunderbird S28B
- Thunderbird S30B
Please have a look at the Thunderbird Model Comparison Charts or contact us to select the correct model to suit your needs.
Watch: Setting up the Thunderbird Solar Electric Fence Energiser

Watch: Australian Made Thunderbird Solar Electric Fence Energiser production

*Energiser distances are a guide only. Factors such as proximity of live wire(s) to earth or to other parts of a fence, distance of live wire run underground, thickness of wire and earth condition will affect the effective distance. Thunderbird recommend a minimum distance of 200mm between the live wire(s) and any other conductor, otherwise effective energiser distance is reduced.













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