Patriot PMX50
#11 in Plug-inFull review
A plug-in charger for small pastures of horses, goats or sheep that want a strong peak voltage.
Amazon $114.99$114.99
The Patriot PMX50 is the better electric fence energizer overall, rated 2.9 to 2.8. The Patriot PMX50 leads on lightning cover. The Gallagher M120 wins on warranty. The Patriot PMX50 costs $20 less ($114.99 vs $134.99).
Gallagher M120
#12 in Plug-inFull review
A small, well built plug-in charger for paddocks and small pastures, best when the long warranty matters more than raw output.
Amazon $134.99$134.99
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 Patriot PMX50 for lightning cover (warranty covers lightning damage vs lightning damage not covered).
- Choose the Gallagher M120 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 | Patriot PMX50 | Gallagher M120 |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Value 35% | 22 $229.98 per joule ($114.99, 0.5 J output) | 16 $281.23 per joule ($134.99, 0.5 J output) |
| Output 25% | 21 0.5 J output | 20 0.5 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
| Patriot PMX50 | Gallagher M120 | |
|---|---|---|
| Output | ||
| Power | Plug-in (110 V) | Plug-in (110 V) |
| Output energy | 0.5 J | 0.5 J |
| Stored energy | 0.8 J | 1.2 J |
| Rated fence length | 15 miles | 15 miles |
| Rated area | 60 acres | 60 acres |
| Peak voltage | 10 kV | - |
| Low impedance | Yes | - |
| Build | ||
| Lightning cover | Yes | No |
| Warranty | 2 years | 3 years |