AKO Compact Power B40 Battery Energiser – 3V Portable Fence Unit for Up to 200m
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The AKO Compact Power B 40 Electric Fence Energiser is a lightweight, portable solution designed for short-term electric fencing needs. Whether you're strip grazing, trekking with horses, managing temporary paddocks, or protecting gardens, this compact energiser is built for convenience and reliable performance.
Powered by 2 x 1.5V single-cell batteries (not included), it delivers 0.3 Joules of output—sufficient for fences up to 200 metres in length (with no vegetation interference). Designed with mobility in mind, the Compact Power B 40 fits easily in a coat pocket and operates continuously for up to 6 weeks. Built-in features include a low-battery warning system, function control LED, and on/off switch.
Key Features:
- Fence Range: Powers fences up to 200m (no vegetation)
- Output: 0.3 Joules of pulse energy
- Battery Operated: Runs on 2 x 1.5V batteries (not included)
- Runtime: Approx. 6 weeks of continuous operation
- Compact & Lightweight: Easily fits in a coat pocket – perfect for portable use
- Control Features: On/off switch and LED for functional status and low-battery indication
- Ideal Use Cases: Great for strip grazing, temporary horse paddocks, or garden fencing
- Warranty: Backed by a 5-year warranty for peace of mind
Shipping & Returns
1. Shipping Costs
Shipping costs are calculated at checkout. We currently deliver to New Zealand, Australia and the US.
Collection from our depot is possible, however you are required to arrange all shipping and/or pickup costs.
2. Returns
We are happy to take undamaged, unused and unwrapped products back into stock, less a 15% re-stocking fee. The balance will be applied as a credit against your account. Return shipping costs are your expense.
Bulk Orders
If you would like to place a large bulk order, or have questions about overseas shipping, please email us on sales@styxsolutions.com.
Questions?
Whether you're unsure about which products to choose or need help with a complex electric fencing project, contact us today on 03 974 4235 or sales@styxsolutions.com.

The Original, Award-Winning Styx Batten
Sick of staples, hammers, crooked wooden battens or twisted wire droppers that move on the fence? Not to mention the labour intensive work of attaching wooden battens, we thought there must be a better way.
5+ stars for excellent service & product quality. Darryn worked through my fencing needs (very patiently). He's extremely knowledgable and came up with an excellent solution for my horse yards.
Laurie Pond
Excellent service and advice. Some very cool products. Thanks for all your help Darryn, will purchase more in the future I'm sure.
Julia Houghton
Great products, even better service and advice. Darryn has wide appreciation of what is required and happy to impart his experience to people looking to build quality and safe fencing solutions.
Would recommend to anyone looking for super solutions for horse related fencing products.