Description

Thunderbird S50B Solar Fence Energiser

The Thunderbird S50B is a portable, self-contained solar electric fence energiser designed for smaller livestock fences and off-grid applications. With 0.52 joules of stored energy, it can power up to 5km of clean fencing under ideal conditions.

The integrated solar panel charges an internal rechargeable battery during daylight. A mains battery charger is also supplied, allowing the battery to be recharged during extended periods of poor weather or limited sunlight.

Why Choose the Thunderbird S50B?

• Powers up to 5km of clean fence under ideal conditions
• 0.52 joules of stored energy
• Integrated 5.5-watt solar panel
• Internal rechargeable battery
• Mains battery charger supplied
• Full and reduced power settings
• Large display shows fence-voltage information
• Slides directly over a standard steel post
• Compact and portable design
• O-ring-sealed enclosure
• Magnetic switch eliminates unnecessary openings in the casing
• Australian made

Self-Contained Solar Power

The S50B combines the energiser, solar panel and rechargeable battery in one compact unit. This self-contained design makes it suitable for locations where mains electricity is unavailable and eliminates the need to mount a separate solar panel and battery enclosure.

Position the solar panel facing north in an open area where it will receive direct sunlight throughout the day. Keep the panel clean and free from shade to support reliable battery charging.

Mains Charger for Poor Weather

A mains battery charger is supplied for use during extended periods of cloud, rain or limited sunlight. This provides a practical way to restore the internal battery when solar charging alone is insufficient.

Follow Thunderbird’s charging instructions and use only the correct charger supplied or recommended for this model.

Full and Reduced Power Settings

The selectable power levels allow the energiser’s operation to be adjusted for different fence conditions. Full power can be selected when stronger output is required, while the reduced setting can help conserve battery energy on shorter, cleaner fences.

Fence voltage should be checked with a suitable electric fence tester after installation and whenever the power setting is changed.

Quick Portable Installation

The moulded enclosure is designed to slide directly over a standard steel star post. This allows the S50B to be installed quickly without constructing a separate mounting frame.

Its portable design makes it useful for strip grazing, temporary paddock divisions, small livestock areas and permanent off-grid fence locations.

Understanding the Fence Distance Rating

The advertised 5km distance represents a clean fence operating under ideal conditions. Vegetation touching the live wires, poor connections, damaged insulators and inadequate earthing can substantially reduce the effective working distance.

Electric netting and multiwire fences place additional demand on an energiser. Select a larger model if the fence is heavily vegetated, extensive or likely to be expanded.

Product Specifications

• Brand: Thunderbird
• Model: S50B
• Product SKU: S50B
• Maximum fence distance: Up to 5km under ideal conditions
• Stored energy: 0.52 joules
• No-load voltage: Approximately 8.0kV
• Voltage at 1000 ohms: Approximately 5.1kV
• Power source: Integrated solar panel
• Solar-panel size: Approximately 5.5 watts
• Battery: Internal rechargeable battery
• Power settings: Full and reduced
• Mounting: Slides over a standard steel post
• Switch type: Magnetic
• Enclosure: O-ring sealed
• Mains battery charger: Included
• Warranty: Two-year Thunderbird manufacturer warranty
• Country of manufacture: Australia

Is the Thunderbird S50B Right for Your Fence?

The S50B is a practical choice for clean electric fences up to 5km where mains power is unavailable. It is suitable for strip grazing, temporary paddocks and smaller permanent livestock fences requiring a portable self-contained solar unit.

For long multiwire systems, substantial vegetation pressure or larger farm applications, consider selecting a solar energiser with additional stored energy and battery capacity.

Correct earthing is essential. Contact Horsley Wholesale if you need help choosing a solar energiser, earth stake or portable fencing equipment.

Browse our solar electric fence energisers for other off-grid fencing options.

Additional information