Designed for mains, battery or solar installations. No matter what your power source or location, the Gallagher MBS Energizer range provides a high performing and convenient animal control solution. Powers: 4 hectares / 3 kilometres fence Contains: 1 Joules of stored energy Suitable: for all types of animal fencing Easily set up portable or permanent installations in any location. Once installed, the LED bar graph on the energizer indicates fence voltage performance.