Thunderbird,s new Generation S29-B Solar Electric Fence Energiser now include the following improvements -

It is fully portable with an inbuilt rechargeable battery and carry handle.

New electronic technolgy improvments which allows the unit to be used straight out of the box, and won't drain the battery when not in use.

Digital Display for output voltage and battery condition
Magnetic switch eliminates the need for holes through the case
Now available with low and high power levels
O-Ring sealed enclosure provides superior weather protection
Non corrosive material for solar panel mounting
Does not drain battery when not in use
Plug and Play strainght out of the box.
Improved efficiency through improved electronics
Powers up to 2 km
5 Wattt Soalr Panel
Supplied with earth & power leads.
2 Year warranty and 6 month lighting gap warranty.