Parmak Super Energizer 5
#2 in Plug-inFull review
A heavy duty plug-in charger for large pastures and predator fences, with unusually full voltage specs and lightning cover.
Amazon $194.94$194.94
The Parmak Super Energizer 5 is the better electric fence energizer overall, rated 4.6 to 3.4. The Parmak Super Energizer 5 leads on lightning cover. The Parmak Super Energizer 5 costs $60.05 less ($194.94 vs $254.99).
Gallagher M360
#9 in Plug-inFull review
A mid size plug-in charger for pastures up to about 250 acres, with a handy voltage display and a three year warranty.
Amazon $254.99$254.99
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 Parmak Super Energizer 5 for lightning cover (warranty covers lightning damage vs lightning damage not covered).
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 | Parmak Super Energizer 5 | Gallagher M360 |
|---|---|---|
| Overall rating | 4.6/5 | 3.4/5 |
| Value 35% | 79 $30.94 per joule ($194.94, 6.3 J output) | 46 $101.19 per joule ($254.99, 2.5 J output, estimated from stored joules) |
| Output 25% | 80 6.3 J output | 59 about 2.5 J output (3.6 J stored) |
| Warranty 25% | 100 3-year warranty | 100 3-year warranty |
| Lightning cover 15% | 100 warranty covers lightning damage | 0 lightning damage not covered |
Specifications
| Parmak Super Energizer 5 | Gallagher M360 | |
|---|---|---|
| Output | ||
| Power | Plug-in (110 V) | Plug-in (110 V) |
| Output energy | 6.3 J | about 2.5 J |
| Stored energy | - | 3.6 J |
| Rated fence length | 50 miles | 55 miles |
| Rated area | - | 250 acres |
| Peak voltage | 14.5 kV | - |
| Low impedance | Yes | - |
| Build | ||
| Lightning cover | Yes | No |
| Warranty | 3 years | 3 years |