SPEEDRITE S500 SOLAR POWERED ELECTRIC FENCE ENERGIZER
* Ideal if you are a small block holder or are looking to power a small run off.
* Powers up to 5 miles (20 acres) of fence
* 0.50 J maximum output energy (0.63 J stored energy)
* Requires minimal sunlight. Energizer requires minimal sunlight hours to keep battery at or near full charge. When fully charged selected portable energizers can operate for up to 21 days without sunlight