Gallagher S40 Solar ChargerConvenient fully intergrated portable power. Gallagher S40 has 0. 4 Joules of stored energy powers up to 25 miles 80 acres and comes complete with solar panel, battery and leadset. This all in one energizer designed for quick setup to provide power on the fence wherever and whenever it is needed. Multiple power options. Wildlife mode pulses fast day and night. Full power mode pulses fast during the day and slower at night, conserving power when