A heavy duty plug-in charger for large pastures and predator fences, with unusually full voltage specs and lightning cover.
Amazon $194.94
For ranches with long or weedy perimeter fences that need real power from a barn outlet. The included lightning arrester and covered warranty suit exposed sites.
- 6 JOutput
- 100 milesRated fence
- Plug-in (110 V)Power
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Six joules run long multi-wire fences through heavy weeds
- A Storm Guard lightning arrester comes in the box
- Lightning damage is covered by the warranty
- Fuseless design means no fuses to replace
- Voltage not published
- Only two years of warranty unless you register it online
- More power than a small farm needs; a 25 mile unit costs half as much
The Zareba AC M-Z family
Every Zareba AC M-Z model we rank, smallest first. Ratings compare each against its own power source.
| Model | Output | Rating | Price |
|---|---|---|---|
| Zareba 10 Mile AC EAC10M-Z | 0.5 J | 2.5/5 | $99.98 |
| Zareba 25 Mile AC EAC25M-Z | 1 J | 3.2/5 | $133.67 |
| Zareba 75 Mile AC EAC75M-Z | 4 J | 3.9/5 | $208.67 |
| Zareba 100 Mile AC EAC100M-Z (this one) | 6 J | 4.0/5 | $264.16 |
| Zareba 200 Mile AC EAC200M-Z | 15 J | 4.8/5 | $418.27 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.
Specifications
| Model number | EAC100M-Z |
|---|---|
| Output | |
| Power | Plug-in (110 V) |
| Output energy | 6 J |
| Rated fence length | 100 miles |
| Low impedance | Yes |
| Build | |
| Lightning cover | Yes |
| Warranty | 2 years |
Alternatives in this power source
A rugged plug-in charger for medium pastures and predator control, with a fence voltage meter and lightning covered for three years.
Amazon $179.98A strong value for large pastures and perimeter fences with bulls or predators, where weeds would drain a smaller charger.
Amazon $208.67Compare
Compare the Zareba 100 Mile AC EAC100M-Z with any other electric fence energizer →
More from Zareba: every Zareba product ranked.