Thunderbird S90B Solar Electric Fence Energizer 5km

These Medium Solar Fence Energisers with internal batteries are powerful, reliable, and easy-to-use units designed to provide consistent electric fencing for livestock and property management. Available in two models — S50B (powers up to 5 km) and S90B (powers up to 10 km) — both offer durable, weather-sealed construction with an O-ring case and coated electronics to ensure long-lasting performance in outdoor conditions. Their integrated LCD display makes monitoring quick and simple, while the magnetic switch design prevents moisture ingress for enhanced reliability.

Each energiser is lightweight, portable, and designed for effortless setup — simply slide over a steel star post for secure mounting. Both models include fence leads, earth leads with insulated grips, and a mains recharger for convenient power maintenance. With high and low power settings for battery conservation, a low battery warning indicator, and an optimal solar panel angle for maximum collection, these units deliver efficient and dependable power wherever you need it.

• Powerful performance: S50B powers up to 5 km; S90B powers up to 10 km of fencing.
• Durable and weather-resistant: O-ring sealed case and resin-coated electronics for outdoor reliability.
• Quick installation: Slides easily over a steel star post and includes strong moulded carry handle.
• Smart operation: LCD display, magnetic switch, and low battery warning for easy management.
• Energy efficient: Dual power levels and optimal solar angle for effective battery conservation.