Gallagher B40 Battery Electric Fence Energiser
Gallagher B40 Battery Electric Fence Energiser additional 1Gallagher B40 Battery Electric Fence Energiser additional 2Gallagher B40 Battery Electric Fence Energiser additional 3
Seven year warranty

Save: £11.01 £208.99 inc VAT £174.16 ex VAT Was: £220.00 ex VAT


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Price ex VAT £174.16 £168.94 £161.97
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Designed to keep animals safe whilst using the least amount of battery power possible, the Gallagher B40 Energiser is one of the most energy efficient battery energisers in the world. It comes with an earth stake as well as a variety of settings, such as 'Half Power', 'Random' and 'Night Safe' which allow it to run off only 9 milliAmps! 

  • Suitable for powering fences up to 4km
  • This energiser offers a 7 year warranty 
  • Hs a full power or night save mode which will save battery life by 50%
  • The world’s most energy efficient battery energiser
  • 3 operating modes: full power, night save and half power random night save.
  • Operates on both 9V and 12V batteries
  • Connectable to solar panel
  • Earth stake included

Code: 386317

Output Voltage (V) 7.9
Voltage with 500 Ohm (V) 2.1
Stored energy (J) 0.33
Output energy (J) 0.17
Recommended length without growth (km) 4
Recommended length with light growth (km) 2
Fence LED (V) Yes
With display LED Yes
Suitable for vegetation level no
Current consumption mA (with 12V) 9-35

About The Extended 7 Year Warranty

This energiser is eligible for an incredible extended 7 year warranty from Gallagher.

All Gallagher energisers come with a 2 year warranty as standard, to receive the FREE extra 5 years warranty all you have to do is register your energiser on the Gallagher website within 3 months of the purchase date.

UK Mainland Delivery Prices

Weight Price exVAT Service Tracked
0 - 2kg £3.10 Economy 5-7 Working Days Yes
2 - 5kg £5.99 Economy 5-7 Working Days Yes
0 - 10kg £7.32 1 - 2 Day Yes
10kg - 30kg £7.32 + 26p per kg over 10kg 1 - 2 Day Yes
31kg and above £25.00 + 66p per kg over 31kg 1 - 2 Day Yes


UK Highlands & Islands
Highlands and Islands delivery starts at £17.99 (exVAT) and will be calculated automatically at the checkout.

EU Delivery Prices

Country Weight  Price*
France, Germany, Belgium, Luxembourg, Netherlands 0 - 30kg £8.91
  30 - 60kg £43.26
Austria, Denmark, Monaco, Switzerland 0 - 30kg £10.84
  30 - 60kg £49.74
Czech Republic, Italy, Slovakia,  Spain  0 - 30kg £11.74
  30 - 60kg £75.70
Belarus, Lithuania, Romania, Turkey  0 - 30kg £95.17
  30 - 60kg £190.34



How quickly will my order arrive?
We are committed to getting your order to you as soon as possible.

We use a delivery service that aims to get your orders to you within 1 - 2 working days. Please allow 1-5 working days for processing on items that are ordered in.

We send direct from suppliers as much as we can to help keep this processing time to a minimum.


Can I track my delivery?
Yes. If you provide us with a mobile number or email when you checkout we will send you information from our courier which allows you to track the progress of your parcel as well as other additional options as stated below.


In-flight delivery options
Our courier will send you a 1-hour delivery window on the day of delivery and you have the option to change this if required at no extra charge or you can also let the courier know that you want the parcel left in a safe place.


When does your courier deliver?
Our courier will deliver between Monday and Friday.


Special delivery instructions
If you have any special instructions for delivery, such as directions or where to leave your parcel, please include them in the 'special instructions' section at the checkout. 

Any other questions, please click here to view our full delivery FAQ.

Returns Policy

Customers must return unwanted items to us within 30 days of receipt. This does not affect your statutory rights.

The delivery charge is non-refundable except in cases where the goods are faulty or in cases where the order was cancelled under the UK Distance Selling Regulations.

Genius Tools

Vapormatic provide a lifetime warranty on their range of Genius tools.


Items that are from the Vapormatic brand have a 12 month warranty that provides a parts and labour guarantee.

Please Note: Due to Health & Safety At Work Regulations, we require any used faulty goods to be returned into us in a clean condition before we accept them and issue a refund.