Thunderbird B-50 Portable 12V Battery Electric Fence Energiser – 5km Range
Thunderbird B-50 Portable 12V Battery Electric Fence Energiser – 5km Range
First Paddock
- Only 1 remaining
- Delivery A$12.95, tracked Australia Post, Australia-wide
- Usually dispatched next business day, allow up to two
Reliable & Portable 12V Battery Power for Temporary & Paddock Fencing
The Thunderbird B-50 Energiser is designed for livestock owners, hobby farmers, and pastoralists needing an effective, budget-friendly 12V battery power source for off-grid fencing. Whether you’re setting up temporary strip grazing paddocks or securing boundary lines in remote corners, the B-50 delivers strong, consistent shock performance.
Key Features & Benefits
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5km Coverage: Powers up to 5 km of clean fence wire, polytape, braid, or electric netting under typical paddock conditions.
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Low Battery Drain: Advanced circuit design conserves battery life while maintaining optimal pulse output, giving you longer run times between recharges.
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Compact & Ultra-Portable: Lightweight casing with a moulded top handle makes transporting and hanging the unit fast and effortless.
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Weatherproof Construction: Built with high-impact, UV-stabilized ABS casing and resin-coated internal electronics to withstand harsh Australian sun, rain, dust, and insects.
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Pulse Indicator Light: Bright front LED pulses on every voltage stroke for fast visual checks across the paddock.
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Simple Hook-Up: Features large, colour-coded insulated terminals for quick connection. Supplied with heavy-duty 12V battery clips, fence lead, and earth lead.
Technical Specifications & Dimensions
| Specification / Attribute | Details |
| Model | Thunderbird B-50 (B50) |
| Max Fence Distance | Up to 5 km (Clean Fence) |
| Power Source | 12V DC Deep-Cycle / Lead-Acid Battery |
| Stored Energy | 0.5 Joules |
| Output Voltage | 7.8 kV (no load) |
| Physical Dimensions (H x W x D) | Approx. 190 mm x 150 mm x 80 mm |
| Unit Weight | Approx. 1.2 kg (excluding external battery) |
| Enclosure | Weatherproof ABS Enclosure |
| Included Accessories | Heavy-Duty 12V Battery Clip Lead Set, Fence Lead, Earth Lead |
| Warranty | 2-Year Manufacturer Warranty |
| Origin | Australian Made |
Delivery and returns
Dispatch. Orders are usually dispatched the next business day from Camden, New South Wales. Please allow up to two business days.
Delivery. Australia Post, tracked, Australia-wide. Delivery is calculated at checkout by weight and destination, and you see the full cost before you pay. We do not ship overseas.
Returns. 30 days for change of mind on unused items in original packaging, no restocking fee. Faulty or not as described: come to us first and we make it right, return freight on us. Your Australian Consumer Law guarantees apply in full.