A strong battery charger for remote pastures and rotational grazing when you can swap a deep cycle battery every few weeks.
Amazon $159.94The Zareba 25 Mile Battery EDC25M-Z is the better electric fence energizer overall, rated 3.9 to 2.6. The Zareba 25 Mile Battery EDC25M-Z leads on lightning cover. The Gallagher S12 Lithium Solar wins on warranty. The Zareba 25 Mile Battery EDC25M-Z costs $20.05 less ($159.94 vs $179.99).
Prices were last checked November 3, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A compact lithium solar charger for poultry, goats and short strip grazing fences, with a three year warranty that covers the battery.
Amazon $179.99Which should you buy?
- Choose the Zareba 25 Mile Battery EDC25M-Z for lightning cover (warranty covers lightning damage vs lightning damage not covered).
- Choose the Gallagher S12 Lithium Solar for warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every battery and solar electric fence energizer; a clear win is highlighted. How we rank explains each one.
| Factor weight | Zareba 25 Mile Battery EDC25M-Z | Gallagher S12 Lithium Solar |
|---|---|---|
| Overall rating | 3.9/5 | 2.6/5 |
| Value 35% | 68 $159.94 per joule ($159.94, 1 J output) | 7 $2,249.88 per joule ($179.99, 0.1 J output, estimated from stored joules) |
| Output 25% | 68 1 J output | 11 about 0.1 J output (0.1 J stored) |
| Warranty 25% | 50 2-year warranty | 100 3-year warranty |
| Lightning cover 15% | 100 warranty covers lightning damage | 0 lightning damage not covered |
Specifications
| Zareba 25 Mile Battery EDC25M-Z | Gallagher S12 Lithium Solar | |
|---|---|---|
| Output | ||
| Power | Battery | Solar |
| Output energy | 1 J | about 0.1 J |
| Stored energy | 1.3 J | 0.1 J |
| Rated fence length | 25 miles | 4 miles |
| Peak voltage | 11.5 kV | - |
| Low impedance | Yes | - |
| Build | ||
| Battery | 12 V | - |
| Lightning cover | Yes | No |
| Warranty | 2 years | 3 years |
