Gallagher S120 Lithium Solar
The strongest all in one solar charger here, for remote cattle pastures and rotational grazing without batteries to swap.
Amazon $549.99$549.99
The Gallagher S120 Lithium Solar rates 3.4 among battery and solar electric fence energizers; the Zareba 25 Mile AC EAC25M-Z rates 3.2 among plug-in ones. The Zareba 25 Mile AC EAC25M-Z costs $416.32 less ($133.67 vs $549.99).
Zareba 25 Mile AC EAC25M-Z
#10 in Plug-inFull review
A dependable plug-in charger for a medium pasture of cattle, horses or goats, with lightning damage covered for two years.
Amazon $133.67$133.67
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.
Scores side by side
These two sit in different power source classes (battery and solar and plug-in), and each is scored against the reference points for its own class, so a rating says how well each does among its own power source peers. How we rank explains each factor.
| Factor weight | Gallagher S120 Lithium Solar | Zareba 25 Mile AC EAC25M-Z |
|---|---|---|
| Overall rating | 3.4/5 | 3.2/5 |
| Value 35% | 38 $585.10 per joule ($549.99, 0.9 J output) | 38 $133.67 per joule ($133.67, 1 J output) |
| Output 25% | 67 0.9 J output | 37 1 J output |
| Warranty 25% | 100 3-year warranty | 50 2-year warranty |
| Lightning cover 15% | 0 lightning damage not covered | 100 warranty covers lightning damage |
Specifications
| Gallagher S120 Lithium Solar | Zareba 25 Mile AC EAC25M-Z | |
|---|---|---|
| Output | ||
| Power | Solar | Plug-in (110 V) |
| Output energy | 0.9 J | 1 J |
| Stored energy | 1.2 J | - |
| Rated fence length | 35 miles | 25 miles |
| Rated area | 120 acres | - |
| Peak voltage | 10 kV | - |
| Low impedance | - | Yes |
| Build | ||
| Solar panel | 12 W | - |
| Lightning cover | No | Yes |
| Warranty | 3 years | 2 years |
| Released | 2026-01-15 | - |