Patriot SolarGuard 50 Energizer 0.05 Joule The Patriot SolarGuard 50 is a low impedance energizer designed to deliver power to the end of the fence even under heavy load e.g. foliage undergrowth. It is ideal for small range acreage settings residential yards vegetable or flower gardens and can be used with wire or tape. The light compact design with carry handle makes it ideal for portability. The unit includes an internal battery and solar panel providing a convenient all-in-one energizer. The energy efficient solar panel charges the internal battery to power the fence line. Solar panel recharges the battery as required to support long battery life. The battery saving mode maximizes battery life. The flashing red light indicates at a glance that the energizer is working and powering the fence. It has multiple mounting options of T-post and wood post. It has a large storage capacity that enables up to 14 days of operation without sunlight. 2 year warranty (includes lightning). Can be used with wire or tape. Features: Distance range (miles): 3 miles Distance range (acres): 12 acres Peak output energy (up to): 0.05 J Peak stored energy (up to): 0.07 J Output voltage (up to): 8.5 kV max 3.4 kV @ 1 000 W Internal rechargeable battery: 6 V