Thunderbird 135km Energiser | MB-1760R
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When you're managing more fence line and need something with a bit more muscle behind it, the Thunderbird MB-1760R is the one to look at. With 16.8 stored joules and a reach of up to 135km, this unit is built for serious livestock operations where a smaller energiser just won't cut it. It runs on mains or battery straight out of the box, with a 12V lead and AC adapter both included.
You're not waiting around to get this one set up. The MB-1760R comes with everything you need to get running on mains or 12V battery power right away. And if you're working in a more remote location, you can connect an optional solar kit (compatible with a 120-watt panel) to keep your battery charged without needing to run power out to it.

The digital display shows your output voltage, earth condition, joules, and amps all at the same time. No cycling through screens or toggling between readings, it's all there in one place. If something's not right with your fence or your earthing setup, you'll see it straight away without having to go looking for it.
The built-in earth monitor keeps a constant eye on your earth system condition, which saves you a lot of time chasing down faults across the property.
The auto power boost function reads what your fence needs and adjusts the energy output automatically. If weeds are loading up the line or conditions change, it responds without you having to touch anything. You've got three power levels to choose between (low, medium, and high, up to 9.9kV) and 13 pulse speed settings from 1.2 to 2.4 seconds, giving you solid control over how the unit performs for your setup.
The built-in alarm will sound the internal buzzer if your fence voltage drops below a threshold you set, anywhere between 2 and 6kV, so you're not left wondering why the stock are pushing through the fence.
The enclosure is O-ring sealed to keep out dust and moisture, so it's built to sit out in the elements and keep working. This isn't one you need to bring in every time the weather turns.
The MB-1760R is remote ready, meaning you can add the optional ERC-2 remote to turn the unit on or off and check the voltage digitally without having to walk back to wherever it's mounted. With a no-load voltage of 8.2kV and 6.7kV at 250 ohms, you've got strong output across the line.
And if your battery starts running low, the auto battery save function takes over automatically, dropping the output to low and pushing the pulse rate to maximum to get the most out of what's left in the battery.
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