Gallagher MBS1800i Fence Charger / 18 J / 200 Mile
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Gallagher MBS1800i Multi Powered (AC / DC / Solar) Electric Fence Charger / Energizer
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The Gallagher MBS1800i combines intelligent i Series technology with flexible power options—mains, battery, or solar—to suit your operation. Delivering 18 joules of energy, it handles all livestock types effectively. Real-time fence diagnostics display voltage and fault alerts instantly, enabling quick problem resolution and minimizing downtime and costs.
- Ideal for Cattle, horses, swine, sheep, and goats
- Uses 12 volt battery,110 volt AC, or Solar
- Built-in lightning protection
- Clean Fence: 200 miles / 1,200 acres
- Typical Fence: 42 miles / 420 acres
- Comes with waterproof Energizer Controller which displays fence information up to 164’ from the energizer,
- 110v power adapter, and 12v battery lead set.
- 3-Year warranty
The Gallagher MBS1800i i Series energizer delivers reliable power while continuously monitoring your fence system around the clock. When faults occur, the intelligent controller pinpoints their exact location, eliminating time-consuming troubleshooting. Instant alerts on voltage drops and performance issues enable you to respond immediately, keeping your livestock secure and your operation running efficiently.
The i Series MB1800i Fence System comes with:
MBS1800i Energizer G31500
This reliable and energy efficient Energizer with proven Gallagher i Series technology, provides complete confidence in continued fence performance irrespective of changes in power suppy, temperature and fence conditions.
- Energy efficient – adjusts its power output to suit your fence conditions and minimise power consumption
- Power your fence, your way – mains, battery or solar. Energizer comes complete with a mains and battery lead set for all power source options (battery and solar panel sold separately for battery and solar powered solutions)
- Power adaptor input - easy to use, weather right power adaptor input. Simply insert the provided mains or battery lead set, depending on your chosen power source
- Smart battery management - reduces pulse rate and output energy to manage battery life and ensure 24/7 stock control
- Quick scan LED fence performance lights: green light shows fence ok, red light flashes if there’s a fence fault and solid red light shows sudden increase in fence load
- Easy installation and good connection using split bolt recessed terminals
- User safety and reliable animal control with in-built lightning and short circuit protection
- Better fence management with output, earth and fence voltage alarms
*Extra shipping charges may be required for Alaska and Hawaii
Other Options Available:
Energizer Controller G30337
Provides total peace of mind that your fence is working correctly. The Controller shows all of your fence performance information (e.g. voltage, faults and location) in one convenient separate display box that can be located up to 50m away from the Energizer.
The M1800i fence system is also compatible with:
Fence Monitor (sold separately)
G51000
The Fence Monitor keeps a watchful eye on all corners of your fence. Install up to six Fence Monitors on your fence system to turn it into a fully monitored set up that keeps the Energizer Controller constantly up to date with fence performance.
Remote & Fault Finder (sold separately)
G50700
The Remote saves hours searching for & fixing faults – it pinpoints the fault within the monitored zone and enables you to turn off the Energizer during repair and on again once complete.
SMS Energizer Controller (sold separately)
G56760
Receive immediate notification of fence performance via SMS text message to your phone. Turn the Energizer on and off from your mobile. Operates on GSM mobile networks. (Vodaphone and 2 Degrees).
Alarm System (sold separately)
G57900
Secure farm assets. Monitor a section of fence and drive external strobe lights, sirens or alarm panels if the circuit is broken eg: a gate is open or a wire cut.
Solar Panels (sold separately)
G49602 (130W Panel), G49582 (80W Panel)
High quality, fully tested solar panels for solar powered installations.
12v Deep Cycle Battery (sold separately)
G51700
The Gallagher MBS1800i delivers 18 joules of power across 200 miles of fencing. Its innovative i Series design separates the energizer from the controller, allowing you to keep the energizer hidden while positioning the wireless controller up to 50 meters away for convenient monitoring. The controller displays voltage, fault detection, and location data in real-time, giving you complete fence visibility and control in one place.
Learn More Here!
| Single Wire Distance Maximum Length | 195km |
| Multiwire Distance Ideal Conditions | 65km |
| Multiwire Distance Gallagher Recommended | 17km |
| Output Energy | 12.4 Joules |
| Height | 205mm |
| Width or Length | 345mm |
| Depth | 95mm |
| Product Weight | 2.6kg |





