A strong value for large pastures and perimeter fences with bulls or predators, where weeds would drain a smaller charger.
Amazon $208.67
A strong plug-in charger for large pastures up to about 400 acres, from a maker that publishes real output energy.
- 4 JOutput
- 75 milesRated fence
- Plug-in (110 V)Power
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Four joules of published output for large pastures
- Bar graph shows output voltage at a glance
- Three year warranty and built in lightning diverter
- Adaptive output raises power when the fence load grows
- Lightning damage is excluded from Gallagher’s US warranty
- Costs more than Zareba’s 4 J unit
- Voltage not published
The Gallagher M Series family
Every Gallagher M Series model we rank, smallest first. Ratings compare each against its own power source.
| Model | Output | Rating | Price |
|---|---|---|---|
| Gallagher M120 | 0.5 J | 2.8/5 | $134.99 |
| Gallagher M560 (this one) | 4 J | 3.6/5 | $319.99 |
| Gallagher M1500 | 11 J | 3.8/5 | $849.99 |
| Gallagher M360 | about 2.5 J | 3.4/5 | $254.99 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.
Specifications
| Model number | G323514 |
|---|---|
| Output | |
| Power | Plug-in (110 V) |
| Output energy | 4 J |
| Stored energy | 5.6 J |
| Rated fence length | 75 miles |
| Rated area | 400 acres |
| Build | |
| Lightning cover | No |
| Warranty | 3 years |
Alternatives in this power source
For large ranches running hundreds of acres of multi-wire fence, where Gallagher’s service network and modular design matter.
Amazon $849.99A strong value plug-in charger for a medium to large cattle or horse pasture.
Amazon $150.08Compare
Compare the Gallagher M560 with any other electric fence energizer →
More from Gallagher: every Gallagher product ranked.