Skip to main content Skip to search Skip to main navigation

AKO Sun Power S 250 – solar electric fence energiser for self-sufficient paddocks

The AKO Sun Power S 250 energiser keeps your paddock fenced without relying on a mains socket. This compact solar fence energiser is ideal for horse paddocks and smaller fencing systems without vegetation, and works universally with all standard fences for horses, cattle, dogs and cats.

An intelligent battery management system with deep discharge protection keeps the unit running reliably even through long spells of bad weather: once battery voltage drops below 11.2 volts, the battery protects itself automatically (shown by a red flashing light). This gives you up to two weeks of runtime without sun and a long battery lifespan – with maintenance-free operation right through the main grazing season.

Overview:

  • Compact solar energiser for fences with little vegetation
  • Ideal for horses, cattle, poultry, dogs and cats
  • Function control LED (green), solar operation LED (blue) and battery warning LED (red)
  • Integrated battery charge control and microcontroller operation
  • Integrated lightning protection for reliable continuous operation
  • Excellent efficiency for longer battery life
  • Robust, weatherproof housing with carry handle

Technical data:

  • Max. voltage / no-load voltage: 10,500 V
  • Voltage at 500 Ohm: 2,800 V
  • Max. charging energy: 0.4 J; max. discharge energy: 0.25 J
  • Theoretical fence length: 6 km; without vegetation: 3 km; with medium vegetation: 0.7 km
  • Current consumption: 10–22 mA
  • Battery: 12 V, 4 Ah; solar panel: 12 V, 3 Watt
  • Dimensions (L x W x H): approx. 28.8 x 21.3 x 20.3 cm; weight: approx. 3.9 kg
  • Made in Germany

What's included:

1x compact solar energiser, fully assembled
1x 12 volt AGM battery
1x fixed monocrystalline solar module
1x connection cable for fence and earth connection
1x two-part earth/mounting spike
1x warning sign

FAQ:

How long does the unit run without sun?
Thanks to intelligent battery management, the battery lasts up to two weeks without direct sunlight.

What fence lengths is it suitable for?
Up to 3 km on fences without vegetation; with medium vegetation the recommended length drops to around 0.7 km.

Can I charge the battery from the mains?
Yes, the 230-volt power supply lets you recharge the gel battery or keep it on trickle charge during winter months.

Max. pulse energy: 0,25 Joule
Charge energie: 0,40 Joule
Voltage: 10.500 V
Power source: Solar power
Animal species: Poultry, Dog, Cat, Horse, Cattle
Fence length no plant cover: 3 km
Fence length light plant cover: 0,7 km
Manufacturer warranty: 3 years
Data according to manufacturer. Errors and changes reserved.
Available downloads

0 of 0 reviews

Average rating of 0 out of 5 stars

Leave a review!

Share your experiences with other customers.


Trust in over 70 years of experience in electric fence construction with AKO electric fence devices. Manufactured in Germany and carefully tested, these devices offer the highest quality and durability. AKO offers the right solution for every need: from inexpensive entry-level devices from the AKO Classic Series to powerful devices from the AKO Premium Series to flexible AKO Expert devices >. All devices are continuously improved by an in-house development team and come with a 3-year manufacturer guarantee. No matter whether you are looking for a standard solution or a device for extreme conditions - AKO has the right electric fence energizer for you.

Manufacturer information

Responsible person

Kerbl
    Skip product gallery

    Choose accessories

    AKO Galvanised Ground Rod 1 m, Special Earth Stake
    AKO Galvanised Ground Rod 1 m, Special Earth Stake

    Galvanised ground rod 1 m – reliable earthing for your electric fence The AKO ground rod provides reliable earthing for your paddock or electric fence system. Made from hot-dip galvanised T-steel, it is exceptionally robust and weather-resistant, making it ideal for permanent outdoor use. Thanks to the M6 stainless steel screw, the earth connection cable can be fitted quickly and securely. Additional M8 and M12 drill holes allow the connection of earth cables with a wire terminal clamp, giving flexibility for different connection systems. It provides the foundation for reliable containment on horse, cattle, sheep and goat pastures. Overview: Reliable earthing for electric and paddock fences Hot-dip galvanised T-steel resists corrosion permanently M6 stainless steel screw for the earth connection cable Additional M8 and M12 drill holes for wire terminal clamp Suitable for horse, cattle, sheep and goat pastures Easy to drive into moist soil Technical Data: Length: 100 cm Width: 3 cm Height/profile: 2.5 cm Weight: approx. 1.4 kg Material: hot-dip galvanised T-steel Connection: M6 stainless steel screw, plus M8 and M12 drill hole Scope of Delivery: 1x galvanised ground rod, 1 m1x M6 stainless steel screw FAQ: How deep should I drive the ground rod?Drive it as deep as possible into moist soil, as this closes the electrical circuit most effectively. How many ground rods do I need?When using several rods, keep a distance of at least 3 metres between each one. Why should the ground rod be galvanised?Rust has an insulating effect and hinders the voltage return to the fence energiser – galvanised steel prevents this.

    Regular price: €12.09
    Kerbl Solar Panel Ground Anchor for Sun Power S 800/S 1500/S 3000
    Kerbl Solar Panel Ground Anchor for Sun Power S 800/S 1500/S 3000

    Ground anchor for solar panel – secure hold without digging The ground anchor for solar panels from Kerbl keeps your solar-powered electric fence energizer firmly in place without the need to dig a foundation. This spiral earth screw is ideal for anchoring the Sun Power S 800, S 1500 and S 3000 on pasture or farmyard. Instead of time-consuming digging, simply screw the 1.2 metre long earth rod vertically into the ground – done in just a few minutes with the included assembly tool. Made from durable, hot-dip galvanised T-steel, the anchor holds your solar module securely in place, even in changing weather conditions. Overview: Quick installation without digging – simply screw into the ground Stable support for your solar module on pasture or farmyard Hot-dip galvanised T-steel protects against corrosion for long service life Compatible with Sun Power S 800, S 1500 and S 3000 Includes thread and assembly tool for immediate use Technical Data: Total height: 120 cm (incl. thread) Dimensions: approx. 120 x 9.8 x 7 cm Weight: 7.5 kg Material: hot-dip galvanised T-steel Solar module not included Scope of Delivery: 1x spiral ground/retaining anchor1x assembly tool FAQ: Is the solar module included?No, the anchor is supplied without the solar module and is used only to secure it in the ground. Which devices is this anchor suitable for?It fits the Sun Power S 800, S 1500 and S 3000 solar energizers. Do I need extra tools?No, the assembly tool needed to screw in the anchor is already included.

    Regular price: €43.89
    Kerbl Post Holder for Sun Power Solar Units, Theft-Proof Mount
    Kerbl Post Holder for Sun Power Solar Units, Theft-Proof Mount

    Theft-proof post holder for Sun Power solar fence energisers This post holder from Kerbl secures your Sun Power solar energiser firmly to a wooden fence post – ideal for farmers who want to protect their electric fence unit from theft. The sturdy stainless steel bracket is designed for mounting directly on a wooden post and fits the Sun Power S 800, S 1500 and S 3000 models. Thanks to the pre-drilled mounting screw and included padlock, the solar unit can be locked firmly onto the post – a real advantage for remote paddocks and pastures without constant supervision. The stainless steel construction withstands rain, frost and intense sun for years. All required metal and wood screws are included, so mounting on the post works straight away without extra purchases. Overview: Secure fixing of the solar unit directly on the wooden post Protects against theft with an integrated locking system Weatherproof stainless steel design for long service life Comes complete with screws – no extra parts needed Fits Sun Power S 800, S 1500 and S 3000 Technical Data: Material: stainless steel Dimensions: approx. 18.5 x 14 x 11.5 cm (L x W x H) Weight: approx. 0.66 kg Compatible with: Sun Power S 800 / S 1500 / S 3000 Scope of Delivery: 1x post holder for Sun Power units1x padlock1x spare key1x set of metal and wood screws FAQ: Is the Sun Power solar unit included?No, the post holder is supplied without the solar unit. You can order it separately from Agrarzone. Which Sun Power models fit this holder?It fits the Sun Power S 800, S 1500 and S 3000 models. Is the holder theft-proof?Yes, thanks to the pre-drilled mounting screw and included padlock, the solar unit can be secured against theft.

    Regular price: €32.89
    %
    AGM Replacement Battery for Electric Fence, 12V 5Ah
    AGM Replacement Battery for Electric Fence, 12V 5Ah

    AGM Premium Battery 12V 5Ah – Replacement Battery for Solar Electric Fencers The AGM battery 12V 5Ah is the ideal replacement battery for solar electric fencers and any other fencer unit designed for 12 volt operation. As a modern AGM fleece battery, it replaces conventional lead-acid batteries, eliminating the need to handle battery acid. The rechargeable battery can be easily topped up using a mains power supply and, if required, combined with an optional 3 watt solar module for continuous operation throughout the grazing season. An integrated charge controller reliably protects against overcharging and deep discharge, supporting a long service life. Overview: Rechargeable AGM fleece battery Filled and charged, ready for immediate installation Low self-discharge compared to standard batteries Original equipment quality (OEM) Better charging behaviour than conventional lead-acid batteries, e.g. when charging via solar panels Leak-proof thanks to double lid with safety valve and gas recombination Can be stored for at least 9 months Technical Data: Voltage: 12 volt Capacity: 5Ah (C100) Dimensions: 11 x 9 x 7 cm (L x W x H) Weight: approx. 1.6 kg Design: AGM fleece technology, sealed system Scope of Delivery: 1x AGM battery 12 volt, 5Ah FAQ: Will this battery fit any electric fencer?It suits any fencer unit designed for 12 volt operation. Check your unit's voltage rating before ordering. Do I need to top up acid?No, the sealed AGM battery is completely maintenance-free and arrives filled and charged. What happens if the battery is deep discharged?Deep discharge voids the warranty, as it permanently reduces battery life. The integrated charge controller helps prevent this.

    Sale price: €29.91 Regular price: €33.99 (12% saved)