Zareba 100 Mile AC EAC100M-Z
#4 in Plug-inFull review
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.
Amazon $264.16$264.16
The Zareba 100 Mile AC EAC100M-Z is the better electric fence energizer overall, rated 4.0 to 3.6. The Zareba 100 Mile AC EAC100M-Z leads on lightning cover and output. The Gallagher M560 wins on warranty. The Zareba 100 Mile AC EAC100M-Z costs $55.83 less ($264.16 vs $319.99).
Gallagher M560
#7 in Plug-inFull review
A strong plug-in charger for large pastures up to about 400 acres, from a maker that publishes real output energy.
Amazon $319.99$319.99
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Zareba 100 Mile AC EAC100M-Z for lightning cover (warranty covers lightning damage vs lightning damage not covered) and output (6 J output vs 4 J output).
- Choose the Gallagher M560 for warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every plug-in electric fence energizer; a clear win is highlighted. How we rank explains each one.
| Factor weight | Zareba 100 Mile AC EAC100M-Z | Gallagher M560 |
|---|---|---|
| Overall rating | 4.0/5 | 3.6/5 |
| Value 35% | 69 $44.03 per joule ($264.16, 6 J output) | 52 $80 per joule ($319.99, 4 J output) |
| Output 25% | 79 6 J output | 69 4 J output |
| Warranty 25% | 50 2-year warranty | 100 3-year warranty |
| Lightning cover 15% | 100 warranty covers lightning damage | 0 lightning damage not covered |
Specifications
| Zareba 100 Mile AC EAC100M-Z | Gallagher M560 | |
|---|---|---|
| Output | ||
| Power | Plug-in (110 V) | Plug-in (110 V) |
| Output energy | 6 J | 4 J |
| Stored energy | - | 5.6 J |
| Rated fence length | 100 miles | 75 miles |
| Rated area | - | 400 acres |
| Low impedance | Yes | - |
| Build | ||
| Lightning cover | Yes | No |
| Warranty | 2 years | 3 years |