A Solar/Battery Energizer System is your ideal choice for those without reliable mains power. 

The Xstop® BX280 Battery/Solar Operated Low Impedance Fence Energizer powers up to 60KM of typical electric fence, can be operated with or without a solar panel. Suitable for fencing all types of animal on small to mid-sized properties up to 56.25KM² .This battery/Solar powered energizer proper to works in heavy weed conditions, maintaining maximum energy on the fence. 

Durable cabinet protects the circuitry from weather extremes.

Xstop® BX280 energizer is built to CE safety specifications and IP54 approved.