1. Introducció
The Gallagher MB150 Dual Power Electric Fence Charger is a robust and adaptable energizer designed for effective animal containment and pasture management. This unit provides 1.5 Joules of stored energy, capable of powering up to 30 miles of clean wire fencing or covering up to 100 acres. Its dual-power capability allows operation via a 12V battery or a 110V AC power source, offering flexibility for various installation needs. The MB150 is engineered for durability, featuring a water-resistant case and integrated lightning protection to ensure reliable performance in diverse environmental conditions.
This manual provides comprehensive instructions for the safe installation, operation, maintenance, and troubleshooting of your Gallagher MB150 energizer. Please read it thoroughly before use to ensure optimal performance and longevity of your product.
2. Instruccions de seguretat importants
Always observe the following safety precautions when installing or operating your electric fence energizer:
- Read all instructions before using the energizer.
- Do not connect the energizer to the mains power supply and a battery simultaneously unless specified by the manufacturer.
- Ensure proper grounding of the energizer as per local electrical codes and regulations.
- Keep the energizer away from children and unauthorized personnel.
- Do not install the energizer in a location where it could be submerged in water or exposed to excessive moisture.
- Disconnect the energizer from its power source before performing any maintenance or repairs.
- Use only Gallagher-approved accessories and replacement parts.
- Be aware that electric fences can deliver a painful but non-lethal shock. Install warning signs where necessary.
- Protect the energizer from direct lightning strikes by installing appropriate lightning diverters.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- Gallagher MB150 Energizer Unit
- Guia de l'usuari (aquest manual)

Image: The Gallagher MB150 Energizer unit shown alongside its included user guide, illustrating the typical contents of the product package.
4. Producte acabatview
Familiarize yourself with the main components and controls of your MB150 energizer:
- Llum indicador d'alimentació: A green light indicates sufficient battery power; a flashing red light indicates low battery.
- Fence Terminal (Red): Connects to the live wire of your electric fence.
- Ground Terminal (Green): Connects to the ground rod.
- Port d'entrada d'alimentació: For connecting either the 110V AC adapter or 12V battery clips.
- Nansa de transport integrada: For easy portability and installation.

Imatge: Un angle frontal view of the Gallagher MB150 Electric Fence Charger, highlighting its compact design, control knobs (red and green), and the Gallagher branding.
5. Configuració
5.1 Opcions d'alimentació
The MB150 offers flexible power options:
5.1.1 110V AC Power (Mains)
- Ensure the energizer is placed in a dry, protected location, close to a 110V AC outlet.
- Connect the Gallagher-supplied 110V AC adapter to the energizer's power input port.
- Plug the AC adapter into a standard 110V AC wall outlet.
5.1.2 12V Battery Power
- Place the energizer in a secure, dry location, ensuring the battery is also protected from the elements.
- Connect the red (positive) battery clip to the positive terminal of a 12V deep cycle battery.
- Connect the black (negative) battery clip to the negative terminal of the 12V battery.
- Connect the battery clips to the energizer's power input port.
5.2 Fence Connection
- Connect the red terminal of the energizer (marked with a lightning bolt symbol) to the live wire of your electric fence. Use high-voltage insulated cable for this connection.
5.3 Posada a terra
Proper grounding is crucial for effective fence operation and safety.
- Drive a galvanized steel ground rod (minimum 3 feet long) into the earth in a moist area, away from building foundations.
- Connect the green terminal of the energizer (marked with a ground symbol) to the ground rod using a galvanized wire or appropriate ground cable.
- For optimal performance, especially in dry conditions or for longer fences, additional ground rods may be required.

Image: An electric fence line extending across a green pasture with cattle in the background, demonstrating the typical environment where the Gallagher MB150 energizer would be used to power a fence.
6. Funcionament
6.1 Engegada inicial
Once all connections (power, fence, and ground) are securely made, the energizer will begin to operate. The green power indicator light on the front of the unit should illuminate, indicating that the energizer is functioning correctly and sending pulses to the fence line.
6.2 Battery Monitoring (for 12V battery operation)
The MB150 features a convenient battery monitoring system:
- A steady green light indicates that the 12V battery has sufficient charge.
- A flashing red light indicates that the battery is running low and requires recharging or replacement.

Image: The Gallagher MB150 energizer in a field setting with cattle in the background, illustrating the visible power indicator light for quick battery status checks.
7. Manteniment
Regular maintenance ensures the longevity and optimal performance of your MB150 energizer:
- Neteja: Periodically wipe down the energizer with a damp drap per eliminar la brutícia i els residus. No utilitzeu productes químics aggressivs ni netejadors abrasius.
- Inspecció: Regularly inspect all connections (fence, ground, and power) for corrosion, damage, or loose fittings. Ensure the fence line is free of vegetation that could short out the fence.
- Battery Care (for 12V battery operation): If using a 12V battery, ensure it is kept charged. Avoid deep discharge, which can shorten battery life. Store batteries in a cool, dry place when not in use.
- Emmagatzematge: When not in use for extended periods, disconnect the energizer from all power sources and store it in a dry, protected environment.
8. Resolució de problemes comuns
Consulteu la taula següent per veure els problemes habituals i les seves possibles solucions:
| Problema | Causa possible | Solució |
|---|---|---|
| No power indicator light / Energizer not working | No power supply; Faulty connections; Blown fuse (internal) | Check power source (AC outlet or battery charge); Verify all connections are secure; Contact support if fuse is suspected. |
| Flashing red light (on battery power) | Càrrega baixa de la bateria | Recharge or replace the 12V battery. |
| Weak or no shock on fence line | Poor grounding; Fence shorting out (vegetation, broken insulators); Energizer fault | Improve grounding system (add more rods); Clear vegetation from fence line; Inspect insulators for damage; Test fence voltage with a fence tester; Contact support if energizer fault is suspected. |
| La bateria s'esgota ràpidament | Fence shorting out; Old/faulty battery; Energizer drawing excessive current | Inspect fence for shorts (vegetation, broken wires); Test battery health; Contact support if energizer is suspected of drawing too much current. |
9. Especificacions tècniques
Detailed specifications for the Gallagher MB150 Dual Power Electric Fence Charger:
| Especificació | Valor |
|---|---|
| Número de model | G388414 |
| Dimensions del producte | 5 x 9 x 10.5 polzades |
| Pes de l'article | 4 lliures |
| Vol. De sortidatage | 7000 volts (7E+3 volts) |
| Energia emmagatzemada | 1.5 Joules |
| Fence Coverage (Clean Wire) | Fins a 30 milles |
| Àrea de cobertura | Up to 100 Acres |
| Opcions d'energia | 12V Battery or 110V AC |
| Color | Negre/Taronja |
| Fabricant | GALLAGHER NORTH AMERICA |
| Certificacions | CE, FCC |
10. Garantia i Suport
10.1 Informació de la garantia
The Gallagher MB150 Multi-Power Fence Energizer comes with a full Garantia del fabricant de 3 anysAquesta garantia cobreix els defectes de materials i de fabricació en condicions d'ús normal. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.

Image: Icons representing weather resistance, lightning protection, and durability, emphasizing the MB150's robust construction and reliability in various conditions.
10.2 Contacteu amb l'assistència
For technical assistance, warranty claims, or to purchase replacement parts, please contact Gallagher North America customer support. Refer to the contact information provided on the Gallagher weblloc web o l'embalatge del producte.

Image: A black calf in a green pasture with a fence and farm buildings in the background, accompanied by text highlighting Gallagher's long-standing reputation as a trusted brand in animal management products since 1938.





