Featuring the latest state-of-the-art solar panel with superior charging power the Parmak Magnum 12 Solar-Pak eliminates battery recharging, thereby saving you time and money. The sun`s energy charges the fencer by day and a sealed 12 volt rechargeable battery powers the fencer at night. Battery included. The Parmak Magnum 12 Solar-Pak was designed, developed, and is manufactured exclusively by Parmak. 100% American made. Uses the same advanced and exclusive circuitry as the Parmak Magnum 12, including Parmak`s exclusive built-in performance meter. Our totally new and improved solar panel uses free energy from the sun to provide maximum shock, longer life. No operating costs! Power line convenience with a battery fencer. Full 3 year warranty covers damage caused by lightning. Twelve-volt battery warranted one year. | Parmak Magnum Solar-Pak 12 Electric Fence Charger