The newly updated parmak magnum 12 electric fence charger features Parmaks exclusive built-in performance meter tells you the exact condition of your fence line as well as the condition of your battery. It takes the guess work out of electric fencing. With more power than you ever imagined possible from a battery fencer, the magnum 12 features output equal to power line operated models. Shocks through wet weeds and brush. No moving parts means years of dependable, trouble-free services. The most economical 12 V solid state fencer operation on the market. The magnum 12 provides up to 3 months of continuous operation between battery charges. Weatherproof, portable outdoor model for installation anywhere on your farm.