A rugged plug-in charger for medium pastures and predator control, with a fence voltage meter and lightning covered for three years.
Amazon $179.98The Parmak Mark 8 is the better electric fence energizer overall, rated 4.5 to 3.6. The Parmak Mark 8 leads on lightning cover. The Parmak Mark 8 costs $140.01 less ($179.98 vs $319.99).
A strong plug-in charger for large pastures up to about 400 acres, from a maker that publishes real output energy.
Amazon $319.99Prices 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 Mark 8 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 Mark 8 | Gallagher M560 |
|---|---|---|
| Overall rating | 4.5/5 | 3.6/5 |
| Value 35% | 74 $36.73 per joule ($179.98, 4.9 J output) | 52 $80 per joule ($319.99, 4 J output) |
| Output 25% | 74 4.9 J output | 69 4 J output |
| 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 Mark 8 | Gallagher M560 | |
|---|---|---|
| Output | ||
| Power | Plug-in (110 V) | Plug-in (110 V) |
| Output energy | 4.9 J | 4 J |
| Stored energy | - | 5.6 J |
| Rated fence length | 30 miles | 75 miles |
| Rated area | - | 400 acres |
| Peak voltage | 13.5 kV | - |
| Low impedance | Yes | - |
| Build | ||
| Lightning cover | Yes | No |
| Warranty | 3 years | 3 years |
