A small, well built plug-in charger for paddocks and small pastures, best when the long warranty matters more than raw output.
Amazon $134.99The Gallagher M120 is the better electric fence energizer overall, rated 2.8 to 1.9. The Gallagher M120 leads on warranty and output. The Patriot PE2 costs $98.50 less ($36.49 vs $134.99).
A budget plug-in charger for gardens, pets and small poultry runs, not for livestock pastures.
Amazon $36.49Prices 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 Gallagher M120 for warranty (3-year warranty vs 1-year warranty) and output (0.5 J output vs 0.1 J output).
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 | Gallagher M120 | Patriot PE2 |
|---|---|---|
| Overall rating | 2.8/5 | 1.9/5 |
| Value 35% | 16 $281.23 per joule ($134.99, 0.5 J output) | 9 $364.90 per joule ($36.49, 0.1 J output) |
| Output 25% | 20 0.5 J output | 0 0.1 J output |
| Warranty 25% | 100 3-year warranty | 0 1-year warranty |
| Lightning cover 15% | 0 lightning damage not covered | 50 lightning cover not stated (neutral score used) |
Specifications
| Gallagher M120 | Patriot PE2 | |
|---|---|---|
| Output | ||
| Power | Plug-in (110 V) | Plug-in (110 V) |
| Output energy | 0.5 J | 0.1 J |
| Stored energy | 1.2 J | 0.2 J |
| Rated fence length | 15 miles | 2 miles |
| Rated area | 60 acres | 8 acres |
| Peak voltage | - | 5 kV |
| Low impedance | - | Yes |
| Build | ||
| Lightning cover | No | - |
| Warranty | 3 years | 1 year |
